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Results for "

essential amino acid

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Apoptosis (3) Bacterial (4) Calcium Channel (16) Cathepsin (1) Endogenous Metabolite (205) Ferroptosis (14) Galectin (1) Histone Methyltransferase (1) HIV (1) HSV (2) iGluR (16) Isotope-Labeled Compounds (81) Keap1-Nrf2 (2) mGluR (14) Mitochondrial Metabolism (6) mTOR (15) NO Synthase (1) Nucleoside Antimetabolite/Analog (2) Parasite (6) Virus Protease (16)
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234

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171

Isotope-Labeled Compounds

Oligonucleotides

Targets Recommended: Amino Acid Derivatives EAAT Hydroxycarboxylic Acid Receptor (HCAR) Free Fatty Acid Receptor Fatty Acid Synthase (FASN) Apical Sodium-Dependent Bile Acid Transporter G protein-coupled Bile Acid Receptor 1

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-N0325

DL-Methionine	Parasite	Infection Inflammation/Immunology
DL-Methionine is an essential amino acid containing sulfur with oxidative stress defense effects. DL-Methionine can be used for animal natural feed. DL-Methionine also kills *H. rostochiensis* on potato plants .

HY-Y0337A

L-Cysteine hydrochloride 4 Publications Verification	Endogenous Metabolite	Metabolic Disease Cancer
L-Cysteine hydrochloride is an orally active conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), glutathione and taurine. L-Cysteine hydrochloride suppresses ghrelin and reduces appetite in rodents. L-Cysteine hydrochloride inhibits Aspergillus flavus growth and AFB synthesis by disrupting cell structure and antioxidant system balance. L-Cysteine hydrochloride enhances relaxant responses of rat aortic rings to NO and reduces responses to endothelium-derived relaxing factor (EDRF) .

HY-N0623R

L-Tryptophan (standard) 5 Publications Verification Tryptophan (standard); Tryptophane (standard)	Others	Metabolic Disease
L-Tryptophan (standard) is the analytical standard of L-Tryptophan. L-Tryptophan (Tryptophan) is an orally active and essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3. L-Tryptophan can promote an increase in stemness and osteogenic ability of BMSCs in vitro and in vivo. L-Tryptophan inhibits cell proliferation and induced cell cycle arrest with high levels .

HY-113227

Oxoadipic acid	Endogenous Metabolite	Metabolic Disease
Oxoadipic acid is a key metabolite of the essential amino acids tryptophan and lysine.

HY-W007970

H-Phe-Phe-OH	Endogenous Metabolite	Neurological Disease
H-Phe-Phe-OH is a peptide made of two phenylalanine molecules; Phenylalanine is an essential amino acid and the precursor for the amino acid tyrosine.

HY-N0832

L-Histidine 2 Publications Verification	Mitochondrial Metabolism Endogenous Metabolite	Neurological Disease Metabolic Disease Inflammation/Immunology
L-Histidine is an essential amino acid for infants. L-Histidine is an inhibitor of mitochondrial glutamine transport.

HY-N0658A

DL-Threonine	Others	Inflammation/Immunology
DL-Threonine, an essential amino acid, has the potential to treat hypostatic leg ulceration .

HY-116688

2-Hydroxy-4-(methylthio)butyric acid	Others	Others
2-Hydroxy-4-(methylthio)butyric acid is a dietary essential amino acid which is converted to Methionine (HY-13694) by 2-hydroxy acid dehydrogenase and 2-hydroxy acid oxidase. 2-Hydroxy-4-(methylthio)butyric acid is promising for research of gut disease .

HY-N0325R

DL-Methionine (Standard)	Parasite	Infection Inflammation/Immunology
DL-Methionine (Standard) is the analytical standard of DL-Methionine. This product is intended for research and analytical applications. DL-Methionine is an essential amino acid containing sulfur with oxidative stress defense effects. DL-Methionine can be used for animal natural feed. DL-Methionine also kills H. rostochiensis on potato plants .

HY-Y0337AR

L-Cysteine hydrochloride (Standard)	Endogenous Metabolite	Metabolic Disease Cancer
L-Cysteine (hydrochloride) (Standard) is the analytical standard of L-Cysteine (hydrochloride). This product is intended for research and analytical applications. L-Cysteine hydrochloride is an orally active conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), glutathione and taurine. L-Cysteine hydrochloride suppresses ghrelin and reduces appetite in rodents. L-Cysteine hydrochloride inhibits Aspergillus flavus growth and AFB synthesis by disrupting cell structure and antioxidant system balance. L-Cysteine hydrochloride enhances relaxant responses of rat aortic rings to NO and reduces responses to endothelium-derived relaxing factor (EDRF) [4].

HY-N0717A

D-Valine	Endogenous Metabolite	Infection Metabolic Disease
D-Valine is the enantiomer of L-Valine (HY-N0717). L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid.

HY-N0771S8

L-Isoleucine-d1	Isotope-Labeled Compounds Endogenous Metabolite	Others
L-Isoleucine-d is the deuterium labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-Y0123

DL-Tyrosine	Others	Neurological Disease
DL-Tyrosine is an aromatic nonessential amino acid synthesized from the essential amino acid phenylalanine. DL-Tyrosine is a precursor for several important neurotransmitters (epinephrine, norepinephrine, dopamine) .

HY-N0771S3

L-Isoleucine-d10	Endogenous Metabolite	Others
L-Isoleucine-d₁₀ is the deuterium labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-N0771S1

DL-Isoleucine-d10	Isotope-Labeled Compounds Endogenous Metabolite	Others
DL-Isoleucine-d₁₀ is the deuterium labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-N0717S8

L-Valine-d1	Isotope-Labeled Compounds Endogenous Metabolite	Others
L-Valine-d is the deuterium labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1].

HY-N0473

L-Tyrosine 3 Publications Verification Tyrosine	Endogenous Metabolite	Neurological Disease Cancer
L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.

HY-N0230

β-Alanine 2-Carboxyethylamine; 3-aminopropanoic acid	Endogenous Metabolite	Metabolic Disease
β-Alanine is a non-essential amino acid that is shown to be metabolized into carnosine, which functions as an intracellular buffer.

HY-N0486

L-Leucine 5+ Cited Publications Leucine	mTOR Endogenous Metabolite	Metabolic Disease Cancer
L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway .

HY-N0771S2

L-Isoleucine-15N	Isotope-Labeled Compounds Endogenous Metabolite	Others
L-Isoleucine-15N is the 15N-labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid. L-Isoleucine is an essential amino acid .

HY-W017443

L-Asparagine monohydrate 3 Publications Verification	Endogenous Metabolite	Metabolic Disease Cancer
L-Asparagine monohydrate ((-)-Asparagine monohydrate) is a non-essential amino acid that is involved in the metabolic control of cell functions in nerve and brain tissue.

HY-N0771S

L-Isoleucine-13C6	Isotope-Labeled Compounds Endogenous Metabolite	Others
L-Isoleucine- ¹³C₆ is the ¹³C-labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-N0771S4

L-Isoleucine-1-13C 1 Publications Verification	Endogenous Metabolite	Others
L-Isoleucine-1- ¹³C is the ¹³C-labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-W014606

L-Lysine acetate	Endogenous Metabolite	Others Inflammation/Immunology
L-Lysine acetate is an essential amino acid. L-Lysine acetate can be research for vascular calcification (VC) and Acute pancreatitis .

HY-W015370

L-Lysine hydrate 5 Publications Verification	Endogenous Metabolite	Others Inflammation/Immunology
L-Lysine hydrate is an essential amino acid. L-Lysine hydrate can be research for vascular calcification (VC) and acute pancreatitis .

HY-N0717S

L-Valine-15N	Endogenous Metabolite	Others
L-Valine- ¹⁵N is the ¹⁵N-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1][2].

HY-N0717S6

L-Valine-13C5 Valine-¹³C₅	Endogenous Metabolite	Others
L-Valine- ¹³C₅ is the ¹³C-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1].

HY-N0717S4

L-Valine-1-13C	Endogenous Metabolite	Others
L-Valine-1- ¹³C is the ¹³C-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1].

HY-N0717S5

L-Valine-2-13C	Isotope-Labeled Compounds Endogenous Metabolite	Others
L-Valine-2- ¹³C is the ¹³C-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1].

HY-N0771S9

L-Isoleucine-13C6,15N	Isotope-Labeled Compounds	Others
L-Isoleucine- ¹³C₆, ¹⁵N is ¹³C and ¹⁵N labeled L-isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-N0650

L-Serine 5+ Cited Publications Serine	Endogenous Metabolite Bacterial	Cancer
L-Serine ((-)-Serine; (S)-Serine), one of the so-called non-essential amino acids, plays a central role in cellular proliferation.

HY-N0771S7

L-Isoleucine-15N,d10	Endogenous Metabolite	Others
L-Isoleucine- ¹⁵N,d₁₀ is the deuterium and ¹⁵N-labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-N0717AS

D-Valine-d8	Isotope-Labeled Compounds Endogenous Metabolite	Metabolic Disease
D-Valine-d₈ is the deuterium labeled D-Valine. D-Valine is the enantiomer of L-Valine (HY-N0717). L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid.

HY-107383

Tetrahydrobiopterin (Rac)-Sapropterin	NO Synthase Endogenous Metabolite	Inflammation/Immunology
Tetrahydrobiopterin ((Rac)-Sapropterin) is a cofactor of the *aromatic amino* acid hydroxylases enzymes** and also acts as an essential cofactor for all nitric oxide synthase (NOS) isoforms.

HY-N0229

L-Alanine 1 Publications Verification Alanine	Endogenous Metabolite	Neurological Disease Metabolic Disease
L-Alanine is a non-essential amino acid, involved in sugar and acid metabolism, increases immunity, and provides energy for muscle tissue, brain, and central nervous system.

HY-113227R

Oxoadipic acid (Standard)	Endogenous Metabolite	Metabolic Disease
Oxoadipic acid (Standard) is the analytical standard of Oxoadipic acid. This product is intended for research and analytical applications. Oxoadipic acid is a key metabolite of the essential amino acids tryptophan and lysine.

HY-131663

L-Lysinamide	Others	Metabolic Disease Inflammation/Immunology
L-Lysinamide is an amide form of L-Lysine (HY-N0469). L-Lysine is an essential amino acid for humans with orally activity .

HY-N0717S1

L-Valine-13C5,15N Valine-¹³C₅,¹⁵N	Endogenous Metabolite	Others
L-Valine- ¹³C₅, ¹⁵N is the ¹³C- and ¹⁵N-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1].

HY-N0717S7

L-Valine-1-13C,15N	Isotope-Labeled Compounds Endogenous Metabolite	Others
L-Valine-1- ¹³C, ¹⁵N is the ¹³C- and ¹⁵N-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1].

HY-N0771S5

L-Isoleucine-13C6,15N,d10	Endogenous Metabolite	Others
L-Isoleucine- ¹³C₆, ¹⁵N,d₁₀ is the deuterium, ¹³C-, and 15-labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-N0771S6

L-Cysteine-13C3,15N,d3	Isotope-Labeled Compounds Endogenous Metabolite	Others
L-Cysteine- ¹³C₃, ¹⁵N,d₃ is the deuterium, ¹³C-, and 15-labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-Y0123S1

DL-Tyrosine-d7	Isotope-Labeled Compounds	Neurological Disease
DL-Tyrosine-d₇ is the deuterium labeled DL-Tyrosine. DL-Tyrosine is an aromatic nonessential amino acid synthesized from the essential amino acid phenylalanine. DL-Tyrosine is a precursor for several important neurotransmitters (epinephrine, norepinephrine, dopamine)[1][2].

HY-Y0123S2

DL-Tyrosine-d2	Isotope-Labeled Compounds	Neurological Disease
DL-Tyrosine-d₂ is the deuterium labeled DL-Tyrosine. DL-Tyrosine is an aromatic nonessential amino acid synthesized from the essential amino acid phenylalanine. DL-Tyrosine is a precursor for several important neurotransmitters (epinephrine, norepinephrine, dopamine)[1][2].

HY-Y0123S3

DL-Tyrosine-d3	Isotope-Labeled Compounds	Neurological Disease
DL-Tyrosine-d₃ is the deuterium labeled DL-Tyrosine. DL-Tyrosine is an aromatic nonessential amino acid synthesized from the essential amino acid phenylalanine. DL-Tyrosine is a precursor for several important neurotransmitters (epinephrine, norepinephrine, dopamine)[1][2].

HY-N0470

L-Lysine hydrochloride 5 Publications Verification	Virus Protease Endogenous Metabolite	Infection Cardiovascular Disease Inflammation/Immunology Endocrinology Cancer
L-lysine hydrochloride is an essential amino acid for humans with various benefits including treating herpes, increasing calcium absorption, reducing diabetes-related illnesses and improving gut health.

HY-N0486S13

L-Leucine-15N,d10	mTOR Endogenous Metabolite	Metabolic Disease
L-Leucine- ¹⁵N,d₁₀ is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway[1].

HY-W015879

2-Heptanol	Bacterial	Inflammation/Immunology
2-Heptanol is one of the chemical compounds identified in turmeric and turmeric rhizome essential oil. 2-Heptanol can speed up amino acid metabolism and slow down membrane transport, exhibiting antibacterial activity. The rhizome essential oil has good antibacterial and antioxidant properties .

HY-W012572

D-Histidine	Mitochondrial Metabolism	Metabolic Disease
D-Histidine is an enantiomer of L-histidine (HY-N0832). L-Histidine is an essential amino acid for infants. L-Histidine is an inhibitor of mitochondrial glutamine transport .

HY-N0326S7

L-Methionine-d3	Endogenous Metabolite	Others
L-Methionine-d₃ is the deuterium labeled L-Methionine. L-Methionine is the L-isomer of Methionine, an essential amino acid for human development. Methionine acts as a hepatoprotectant.

HY-N0326S8

L-Methionine-d8	Isotope-Labeled Compounds Endogenous Metabolite	Others
L-Methionine-d₈ is the deuterium labeled L-Methionine. L-Methionine is the L-isomer of Methionine, an essential amino acid for human development. Methionine acts as a hepatoprotectant.

Cat. No.	Product Name

HY-L192

Dietary Supplement Library

71 compounds

Dietary supplement, also known as nutritional supplement or food supplement, include dietary components such as vitamins, minerals, and amino acids. The unique value of dietary supplement is particularly significant in the post-pandemic era. Compared to traditional medication, dietary supplement is often more readily accepted by the public due to their higher safety profile and the natural origin. By orally supplementing essential nutrients and bioactive substances, dietary supplement can help to enhance the body's health level and reduce the risk of diseases. For certain chronic conditions, proper dietary supplement can also serve as a powerful adjunct to conventional medical treatment, enhancing the effectiveness of medication.

MCE has included 71 dietary supplements, whose ingredients are all derived from the official lists published by authoritative organizations such as the FDA, EFSA, NMPA, etc. These compounds can be utilized in the development of health food products and for the mechanistic research of certain chronic diseases.

Cat. No.	Product Name	Type

HY-CP002

Bovine Serum Albumin, Carrier Protein

Drug Delivery

Bovine Serum Albumin (BSA) is a 583 amino acid protein consisting of three homologous full alpha structural domains. BSA is a spherical protein essential for the transport of molecules such as fatty acids, drugs and hormones from the blood. It is used in many biochemical applications as a drug carrier for biologically active compounds. For long-term storage, recombinant protein solution should be diluted further with 0.1% BSA .

HY-128852

N-Acetyl-D-galactosamine, 98%

Carbohydrates

N-Acetyl-D-galactosamine (GalNAc) is a terminal essential amino sugar derived from galactose and forms the antigens of blood group A in humans. N-Acetyl-D-galactosamine (GalNAc) interact with Soya bean agglutinin (SBA), hence decreasing the effects of SBA on cellular membrane permeability and tight junction protein expression in piglets . N-Acetyl-D-galactosamine (GalNAc) inhibits the hemagglutinating activity by the lectin .

Cat. No.	Product Name	Target	Research Area

HY-126584

H-Val-Val-OH Val-val	Peptides	Others
H-VAL-VAL-OH is a dipeptide of the amino acid valine, an essential amino acid .

HY-P5395

TAT-GluR23A Fusion Peptide	HIV	Others
TAT-GluR23A Fusion Peptide is a biological active peptide. (This is the GluR23A sequence, a control inactive peptide used as a mutant counterpart to glutamate receptor endocytosis inhibitor (GluR23Y), connected to an 11 amino acid cell permeable HIV Trans-Activator of Transcription (TAT) protein transduction domain (PTD). GluR23A is derived from GluR23Y amino acids 869 to 877, with Ala substituted for Tyr, and thus lacking essential phosphorylation sites.Control peptide of HY-P2259)

HY-P5429

DNA-PK Substrate	Peptides	Others
DNA-PK Substrate is a biological active peptide. (A substrate for DNA-dependent protein kinase (DNA-PK), phosphorylation. DNA-PK is essential for the repair of DNA double-strand breaks. This peptide corresponding to 11–24 amino acids of human p53 with threonine 18 and serine 20 changed to alanine is used as a substrate for the assay of DNA-PK activityPyroglutamyl (pGlu) peptides may spontaneously form when either Glutamine (Q) or Glutamic acid (E) is located at the sequence N-terminus. The conversion of Q or E to pGlu is a natural occurrence and in general it is believed that the hydrophobic γ-lactam ring of pGlu may play a role in peptide stability against gastrointestinal proteases. Pyroglutamyl peptides are therefore considered a normal subset of such peptides and are included as part of the peptide purity during HPLC analysis.)

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N0325

DL-Methionine	Kochia scoparia L. Schrad. Structural Classification Classification of Application Fields Source classification Amino acids Plants Inflammation/Immunology Disease Research Fields Chenopodiaceae	Parasite
DL-Methionine is an essential amino acid containing sulfur with oxidative stress defense effects. DL-Methionine can be used for animal natural feed. DL-Methionine also kills *H. rostochiensis* on potato plants .

HY-Y0337A

L-Cysteine hydrochloride 4 Publications Verification	Structural Classification Classification of Application Fields Anti-aging Source classification Metabolic Disease Amino acids Endogenous metabolite Disease Research Fields	Endogenous Metabolite
L-Cysteine hydrochloride is an orally active conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), glutathione and taurine. L-Cysteine hydrochloride suppresses ghrelin and reduces appetite in rodents. L-Cysteine hydrochloride inhibits Aspergillus flavus growth and AFB synthesis by disrupting cell structure and antioxidant system balance. L-Cysteine hydrochloride enhances relaxant responses of rat aortic rings to NO and reduces responses to endothelium-derived relaxing factor (EDRF) .

HY-N0623

L-Tryptophan 5 Publications Verification Tryptophan; Tryptophane	Structural Classification Classification of Application Fields Source classification Metabolic Disease Amino acids Endogenous metabolite Disease Research Fields Cancer	Others
L-Tryptophan (Tryptophan) is an orally active and essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3. L-Tryptophan can promote an increase in stemness and osteogenic ability of BMSCs in vitro and in vivo. L-Tryptophan inhibits cell proliferation and induced cell cycle arrest with high levels .

HY-N0623R

L-Tryptophan (standard) 5 Publications Verification Tryptophan (standard); Tryptophane (standard)	Structural Classification Alkaloids Ketones, Aldehydes, Acids Source classification Endogenous metabolite	Others
L-Tryptophan (standard) is the analytical standard of L-Tryptophan. L-Tryptophan (Tryptophan) is an orally active and essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3. L-Tryptophan can promote an increase in stemness and osteogenic ability of BMSCs in vitro and in vivo. L-Tryptophan inhibits cell proliferation and induced cell cycle arrest with high levels .

HY-113227

Oxoadipic acid	Structural Classification Human Gut Microbiota Metabolites Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Metabolic Disease Endogenous metabolite Disease Research Fields	Endogenous Metabolite
Oxoadipic acid is a key metabolite of the essential amino acids tryptophan and lysine.

HY-W007970

H-Phe-Phe-OH	Structural Classification Natural Products Source classification Endogenous metabolite	Endogenous Metabolite
H-Phe-Phe-OH is a peptide made of two phenylalanine molecules; Phenylalanine is an essential amino acid and the precursor for the amino acid tyrosine.

HY-N0832

L-Histidine 2 Publications Verification	Structural Classification Classification of Application Fields Source classification Metabolic Disease Amino acids Endogenous metabolite Inflammation/Immunology Disease Research Fields	Mitochondrial Metabolism Endogenous Metabolite
L-Histidine is an essential amino acid for infants. L-Histidine is an inhibitor of mitochondrial glutamine transport.

HY-116688

2-Hydroxy-4-(methylthio)butyric acid	Structural Classification Ketones, Aldehydes, Acids Source classification Endogenous metabolite	Others
2-Hydroxy-4-(methylthio)butyric acid is a dietary essential amino acid which is converted to Methionine (HY-13694) by 2-hydroxy acid dehydrogenase and 2-hydroxy acid oxidase. 2-Hydroxy-4-(methylthio)butyric acid is promising for research of gut disease .

HY-N0325R

DL-Methionine (Standard)	Kochia scoparia L. Schrad. Structural Classification Source classification Amino acids Plants Chenopodiaceae	Parasite
DL-Methionine (Standard) is the analytical standard of DL-Methionine. This product is intended for research and analytical applications. DL-Methionine is an essential amino acid containing sulfur with oxidative stress defense effects. DL-Methionine can be used for animal natural feed. DL-Methionine also kills H. rostochiensis on potato plants .

HY-Y0337AR

L-Cysteine hydrochloride (Standard)	Structural Classification Source classification Amino acids Endogenous metabolite	Endogenous Metabolite
L-Cysteine (hydrochloride) (Standard) is the analytical standard of L-Cysteine (hydrochloride). This product is intended for research and analytical applications. L-Cysteine hydrochloride is an orally active conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), glutathione and taurine. L-Cysteine hydrochloride suppresses ghrelin and reduces appetite in rodents. L-Cysteine hydrochloride inhibits Aspergillus flavus growth and AFB synthesis by disrupting cell structure and antioxidant system balance. L-Cysteine hydrochloride enhances relaxant responses of rat aortic rings to NO and reduces responses to endothelium-derived relaxing factor (EDRF) [4].

HY-N0658A

DL-Threonine	Structural Classification other families Microorganisms Classification of Application Fields Animals Source classification Amino acids Plants Inflammation/Immunology Disease Research Fields	Others
DL-Threonine, an essential amino acid, has the potential to treat hypostatic leg ulceration .

HY-N0717A

D-Valine	Infection Structural Classification Classification of Application Fields Source classification Metabolic Disease Amino acids Endogenous metabolite Disease Research Fields	Endogenous Metabolite
D-Valine is the enantiomer of L-Valine (HY-N0717). L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid.

HY-Y0123

DL-Tyrosine	Structural Classification Monophenols Source classification Phenols Amino acids Endogenous metabolite	Others
DL-Tyrosine is an aromatic nonessential amino acid synthesized from the essential amino acid phenylalanine. DL-Tyrosine is a precursor for several important neurotransmitters (epinephrine, norepinephrine, dopamine) .

HY-N0473

L-Tyrosine 3 Publications Verification Tyrosine	Structural Classification Microorganisms Neurological Disease Classification of Application Fields Anti-aging Source classification Amino acids Endogenous metabolite Disease Research Fields	Endogenous Metabolite
L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.

HY-N0230

β-Alanine 2-Carboxyethylamine; 3-aminopropanoic acid	Structural Classification Human Gut Microbiota Metabolites Microorganisms Classification of Application Fields Anti-aging Disease markers Endocrine diseases Metabolic Disease Amino acids Nervous System Disorder Endogenous metabolite Disease Research Fields	Endogenous Metabolite
β-Alanine is a non-essential amino acid that is shown to be metabolized into carnosine, which functions as an intracellular buffer.

HY-N0486

L-Leucine 5+ Cited Publications Leucine	Structural Classification Source classification Metabolic Disease Amino acids Endogenous metabolite	mTOR Endogenous Metabolite
L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway .

HY-W017443

L-Asparagine monohydrate 3 Publications Verification	Structural Classification Classification of Application Fields Source classification Metabolic Disease Amino acids Endogenous metabolite Disease Research Fields	Endogenous Metabolite
L-Asparagine monohydrate ((-)-Asparagine monohydrate) is a non-essential amino acid that is involved in the metabolic control of cell functions in nerve and brain tissue.

HY-W014606

L-Lysine acetate	Structural Classification Classification of Application Fields Source classification Amino acids Endogenous metabolite Inflammation/Immunology Disease Research Fields	Endogenous Metabolite
L-Lysine acetate is an essential amino acid. L-Lysine acetate can be research for vascular calcification (VC) and Acute pancreatitis .

HY-W015370

L-Lysine hydrate 5 Publications Verification	Structural Classification Classification of Application Fields Source classification Amino acids Endogenous metabolite Inflammation/Immunology Disease Research Fields	Endogenous Metabolite
L-Lysine hydrate is an essential amino acid. L-Lysine hydrate can be research for vascular calcification (VC) and acute pancreatitis .

HY-N0650

L-Serine 5+ Cited Publications Serine	Structural Classification Classification of Application Fields Anti-aging Source classification Endocrine diseases Amino acids Endogenous metabolite Microorganisms Disease markers Nervous System Disorder Disease Research Fields Cardiovascular System Disorder Cancer	Endogenous Metabolite Bacterial
L-Serine ((-)-Serine; (S)-Serine), one of the so-called non-essential amino acids, plays a central role in cellular proliferation.

HY-107383

Tetrahydrobiopterin (Rac)-Sapropterin	Alkaloids Structural Classification Classification of Application Fields Other Alkaloids Source classification Disease markers Endogenous metabolite Inflammation/Immunology Disease Research Fields Cardiovascular System Disorder	NO Synthase Endogenous Metabolite
Tetrahydrobiopterin ((Rac)-Sapropterin) is a cofactor of the *aromatic amino* acid hydroxylases enzymes** and also acts as an essential cofactor for all nitric oxide synthase (NOS) isoforms.

HY-N0229

L-Alanine 1 Publications Verification Alanine	Structural Classification Neurological Disease Classification of Application Fields Anti-aging Source classification Metabolic Disease Amino acids Endogenous metabolite Human Gut Microbiota Metabolites Microorganisms Disease markers Disease Research Fields Cancer	Endogenous Metabolite
L-Alanine is a non-essential amino acid, involved in sugar and acid metabolism, increases immunity, and provides energy for muscle tissue, brain, and central nervous system.

HY-113227R

Oxoadipic acid (Standard)	Structural Classification Human Gut Microbiota Metabolites Microorganisms Ketones, Aldehydes, Acids Endogenous metabolite	Endogenous Metabolite
Oxoadipic acid (Standard) is the analytical standard of Oxoadipic acid. This product is intended for research and analytical applications. Oxoadipic acid is a key metabolite of the essential amino acids tryptophan and lysine.

HY-131663

L-Lysinamide	Structural Classification Microorganisms Source classification Amino acids	Others
L-Lysinamide is an amide form of L-Lysine (HY-N0469). L-Lysine is an essential amino acid for humans with orally activity .

HY-N0470

L-Lysine hydrochloride 5 Publications Verification	Cardiovascular Disease Structural Classification Microorganisms Animals Classification of Application Fields Source classification Amino acids Inflammation/Immunology Disease Research Fields Endocrinology	Virus Protease Endogenous Metabolite
L-lysine hydrochloride is an essential amino acid for humans with various benefits including treating herpes, increasing calcium absorption, reducing diabetes-related illnesses and improving gut health.

HY-W015879

2-Heptanol	Structural Classification Natural Products Microorganisms Classification of Application Fields Source classification Plants Curcuma longa Inflammation/Immunology Disease Research Fields Zingiberaceae	Bacterial
2-Heptanol is one of the chemical compounds identified in turmeric and turmeric rhizome essential oil. 2-Heptanol can speed up amino acid metabolism and slow down membrane transport, exhibiting antibacterial activity. The rhizome essential oil has good antibacterial and antioxidant properties .

HY-W012572

D-Histidine	Microorganisms Source classification	Mitochondrial Metabolism
D-Histidine is an enantiomer of L-histidine (HY-N0832). L-Histidine is an essential amino acid for infants. L-Histidine is an inhibitor of mitochondrial glutamine transport .

HY-N0667

L-Asparagine 3 Publications Verification (-)-Asparagine; Asn; Asparamide	Structural Classification Neurological Disease Classification of Application Fields Source classification Amino acids Endogenous metabolite Disease Research Fields Cancer	Endogenous Metabolite
L-Asparagine ((-)-Asparagine) is a non-essential amino acid involved in the metabolic control of nerve and brain tissue cell function. L-Asparagine has antitumor activity .

HY-N0832R

L-Histidine (Standard)	Structural Classification Immune System Disorder Microorganisms Source classification Disease markers Endocrine diseases Amino acids Nervous System Disorder Endogenous metabolite Cardiovascular System Disorder Cancer	Mitochondrial Metabolism Endogenous Metabolite
L-Histidine (Standard) is the analytical standard of L-Histidine. This product is intended for research and analytical applications. L-Histidine is an essential amino acid for infants. L-Histidine is an inhibitor of mitochondrial glutamine transport.

HY-N0658AR

DL-Threonine (Standard)	Structural Classification Microorganisms other families Animals Source classification Amino acids Plants	Others
DL-Threonine (Standard) is the analytical standard of DL-Threonine. This product is intended for research and analytical applications. DL-Threonine, an essential amino acid, has the potential to treat hypostatic leg ulceration .

HY-N0473R

L-Tyrosine (Standard)	Structural Classification Microorganisms Source classification Amino acids Endogenous metabolite	Endogenous Metabolite
L-Tyrosine (Standard) is the analytical standard of L-Tyrosine. This product is intended for research and analytical applications. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.

HY-N0486R

L-Leucine (Standard)	Structural Classification Zea mays L. Source classification Endocrine diseases Amino acids Plants Endogenous metabolite Human Gut Microbiota Metabolites Microorganisms Gramineae Disease markers Nervous System Disorder Cardiovascular System Disorder	mTOR Endogenous Metabolite
L-Leucine (Standard) is the analytical standard of L-Leucine. This product is intended for research and analytical applications. L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway .

HY-W010347

L-Homocysteine 2 Publications Verification	Structural Classification Human Gut Microbiota Metabolites Microorganisms Classification of Application Fields Anti-aging Ketones, Aldehydes, Acids Source classification Endogenous metabolite Inflammation/Immunology Disease Research Fields	Endogenous Metabolite Cathepsin
L-Homocysteine, an amino acid, is a homocysteine that has L configuration. Homocysteine is an essential intermediate in normal mammalian metabolism of methionine. L-Homocysteine induces upregulation of Cathepsin V that mediates vascular endothelial inflammation in hyperhomocysteinaemia .

HY-W017443R

L-Asparagine monohydrate (Standard)	Structural Classification Source classification Amino acids Endogenous metabolite	Endogenous Metabolite
L-Asparagine (monohydrate) (Standard) is the analytical standard of L-Asparagine (monohydrate). This product is intended for research and analytical applications. L-Asparagine monohydrate ((-)-Asparagine monohydrate) is a non-essential amino acid that is involved in the metabolic control of cell functions in nerve and brain tissue.

HY-Y0337

L-Cysteine 4 Publications Verification Cysteine	Structural Classification Human Gut Microbiota Metabolites Microorganisms Classification of Application Fields Source classification Metabolic Disease Amino acids Endogenous metabolite Disease Research Fields	Endogenous Metabolite
L-Cysteine is a conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), glutathione and taurine. L-Cysteine suppresses ghrelin and reduces appetite in rodents and humans .

HY-W016715

L-Cysteine hydrochloride hydrate 4 Publications Verification	Structural Classification Classification of Application Fields Source classification Metabolic Disease Amino acids Endogenous metabolite Disease Research Fields	Endogenous Metabolite
L-Cysteine hydrochloride hydrate is a conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), glutathione and taurine. L-Cysteine hydrochloride hydrate suppresses ghrelin and reduces appetite in rodents and humans .

HY-W014606R

L-Lysine acetate (Standard)	Structural Classification Source classification Amino acids Endogenous metabolite	Endogenous Metabolite
L-Lysine (acetate) (Standard) is the analytical standard of L-Lysine (acetate). This product is intended for research and analytical applications. L-Lysine acetate is an essential amino acid. L-Lysine acetate can be research for vascular calcification (VC) and Acute pancreatitis .

HY-N0390

L-Glutamine Maximum Cited Publications 12 Publications Verification L-Glutamic acid 5-amide	Structural Classification Classification of Application Fields Anti-aging Source classification Endocrine diseases Metabolic Disease Amino acids Endogenous metabolite Human Gut Microbiota Metabolites Immune System Disorder Microorganisms Disease markers Nervous System Disorder Disease Research Fields Cardiovascular System Disorder Cancer	mGluR Endogenous Metabolite Ferroptosis
L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid present abundantly throughout the body and involved in many metabolic processes. L-Glutamine provides a source of carbons for oxidation in some cells .

HY-N0230R

β-Alanine (Standard) 2-Carboxyethylamine (Standard); 3-aminopropanoic acid (Standard)	Structural Classification Classification of Application Fields Anti-aging Source classification Disease markers Endocrine diseases Metabolic Disease Amino acids Nervous System Disorder Endogenous metabolite Disease Research Fields	Endogenous Metabolite
β-Alanine (Standard) is the analytical standard of β-Alanine. This product is intended for research and analytical applications. β-Alanine is a non-essential amino acid that is shown to be metabolized into carnosine, which functions as an intracellular buffer .

HY-N0650R

L-Serine (Standard)	Structural Classification Microorganisms Source classification Disease markers Endocrine diseases Amino acids Nervous System Disorder Endogenous metabolite Cardiovascular System Disorder	Endogenous Metabolite Bacterial
L-Serine (Standard) is the analytical standard of L-Serine. This product is intended for research and analytical applications. L-Serine ((-)-Serine; (S)-Serine), one of the so-called non-essential amino acids, plays a central role in cellular proliferation.

HY-N0470R

L-Lysine (hydrochloride) (Standard)	Structural Classification Microorganisms Animals Source classification Amino acids	Virus Protease Endogenous Metabolite
L-Lysine hydrochloride (Standard) is the analytical standard of L-Lysine hydrochloride. This product is intended for research and analytical applications. L-lysine hydrochloride is an essential amino acid for humans with various benefits including treating herpes, increasing calcium absorption, reducing diabetes-related illnesses and improving gut health.

HY-N0215

L-Phenylalanine 2 Publications Verification Phenylalanine	Structural Classification Microorganisms Animals Classification of Application Fields Source classification Metabolic Disease Amino acids Endogenous metabolite Disease Research Fields	Calcium Channel iGluR Endogenous Metabolite
L-Phenylalanine ((S)-2-Amino-3-phenylpropionic acid) is an essential amino acid isolated from Escherichia coli. L-Phenylalanine is a α2δ subunit of voltage-dependent Ca ⁺ channels antagonist with a K_i of 980 nM. L-phenylalanine is a competitive antagonist for the glycine- and glutamate-binding sites of N-methyl-D-aspartate receptors (NMDARs) (K_B of 573 μM ) and non-NMDARs, respectively. L-Phenylalanine is widely used in the production of food flavors and pharmaceuticals .

HY-W012572R

D-Histidine (Standard)	Microorganisms Source classification	Mitochondrial Metabolism
D-Histidine (Standard) is the analytical standard of D-Histidine. This product is intended for research and analytical applications. D-Histidine is an enantiomer of L-histidine (HY-N0832). L-Histidine is an essential amino acid for infants. L-Histidine is an inhibitor of mitochondrial glutamine transport .

HY-N0326

L-Methionine 1 Publications Verification	Structural Classification Classification of Application Fields Anti-aging Source classification Endocrine diseases Amino acids Endogenous metabolite Research on Agricultural Breeding Agricultural Research Microorganisms Disease markers Other Diseases Nervous System Disorder Disease Research Fields Cardiovascular System Disorder	Endogenous Metabolite Keap1-Nrf2 Apoptosis
L-Methionine is an L-isomer of orally active Methionine, an essential amino acid. Methionine is a strong liver antidote that acts as a liver protector. L-Methionine can inhibit cell proliferation and induce cell apoptosis. L-Methionine has antitumor and antioxidant activity .

HY-W016715R

L-Cysteine hydrochloride hydrate (Standard)	Structural Classification Source classification Amino acids Endogenous metabolite	Endogenous Metabolite
L-Cysteine (hydrochloride hydrate) (Standard) is the analytical standard of L-Cysteine (hydrochloride hydrate). This product is intended for research and analytical applications. L-Cysteine hydrochloride hydrate is a conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), glutathione and taurine. L-Cysteine hydrochloride hydrate suppresses ghrelin and reduces appetite in rodents and humans .

HY-Y0337R

L-Cysteine (Standard)	Structural Classification Human Gut Microbiota Metabolites Microorganisms Source classification Amino acids Endogenous metabolite	Endogenous Metabolite
L-Cysteine (Standard) is the analytical standard of L-Cysteine. This product is intended for research and analytical applications. L-Cysteine is a conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), glutathione and taurine. L-Cysteine suppresses ghrelin and reduces appetite in rodents and humans .

HY-N0215R

L-Phenylalanine (Standard)	Structural Classification Microorganisms Animals Source classification Amino acids Endogenous metabolite	Calcium Channel iGluR Endogenous Metabolite
L-Phenylalanine (Standard) is the analytical standard of L-Phenylalanine. This product is intended for research and analytical applications. L-Phenylalanine ((S)-2-Amino-3-phenylpropionic acid) is an essential amino acid isolated from Escherichia coli. L-Phenylalanine is a α2δ subunit of voltage-dependent Ca+ channels antagonist with a Ki of 980 nM. L-phenylalanine is a competitive antagonist for the glycine- and glutamate-binding sites of N-methyl-D-aspartate receptors (NMDARs) (KB of 573 μM ) and non-NMDARs, respectively. L-Phenylalanine is widely used in the production of food flavors and pharmaceuticals .

HY-N0390R

L-Glutamine (standard) Maximum Cited Publications 12 Publications Verification	Structural Classification Human Gut Microbiota Metabolites Immune System Disorder Microorganisms Source classification Disease markers Endocrine diseases Amino acids Nervous System Disorder Endogenous metabolite Cardiovascular System Disorder Cancer	mGluR Endogenous Metabolite Ferroptosis
L-Glutamine (Standard) is the analytical standard of L-Glutamine. This product is intended for research and analytical applications. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid present abundantly throughout the body and involved in many metabolic processes. L-Glutamine provides a source of carbons for oxidation in some cells .

HY-N0469

L-Lysine 5 Publications Verification	Structural Classification Classification of Application Fields Anti-aging Source classification Endocrine diseases Amino acids Endogenous metabolite Microorganisms Disease markers Nervous System Disorder Inflammation/Immunology Disease Research Fields Cancer	Endogenous Metabolite Virus Protease HSV
L-lysine is an essential amino acid for humans with orally activity. L-lysine can inhibit the occurrence of HSV infections and is used in herpes research. L-lysine increases calcium absorption, reduces diabetes-related diseases, improves gut health, and alleviates pancreatic inflammation. L-lysine can be used in research on metabolism, infection, and inflammation .

HY-N11854

Brassicanate A sulfoxide	Structural Classification Alkaloids Pyrrole Alkaloids Brassica oleracea L. Source classification Plants Brassicaceae	Others
Brassicanate A sulfoxide has herbicidal activity. Brassicanate A sulfoxide inhibits the biosynthesis of essential amino acids in plants. Brassicanate A sulfoxide binds to dihydroxyacid dehydratase (DHAD), hydroxymethylpyruvate dioxygenase (HPPD), acetolactate synthase (ALS), PYL family proteins and transport inhibitor response 1 (TIR1), and reduces their activity. Brassicanate A sulfoxide can be isolated from Brassica oleracea .

Cat. No.	Product Name	Chemical Structure

HY-N0771S3

L-Isoleucine-d10
L-Isoleucine-d₁₀ is the deuterium labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-N0771S2

L-Isoleucine-15N
L-Isoleucine-15N is the 15N-labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid. L-Isoleucine is an essential amino acid .

HY-N0771S

L-Isoleucine-13C6
L-Isoleucine- ¹³C₆ is the ¹³C-labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-N0771S4

L-Isoleucine-1-13C 1 Publications Verification
L-Isoleucine-1- ¹³C is the ¹³C-labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-N0717S

L-Valine-15N
L-Valine- ¹⁵N is the ¹⁵N-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1][2].

HY-N0717S6

L-Valine-13C5
L-Valine- ¹³C₅ is the ¹³C-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1].

HY-N0717S4

L-Valine-1-13C
L-Valine-1- ¹³C is the ¹³C-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1].

HY-N0771S8

L-Isoleucine-d1
L-Isoleucine-d is the deuterium labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-N0771S1

DL-Isoleucine-d10
DL-Isoleucine-d₁₀ is the deuterium labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-N0717S8

L-Valine-d1
L-Valine-d is the deuterium labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1].

HY-N0717S5

L-Valine-2-13C
L-Valine-2- ¹³C is the ¹³C-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1].

HY-N0771S9

L-Isoleucine-13C6,15N
L-Isoleucine- ¹³C₆, ¹⁵N is ¹³C and ¹⁵N labeled L-isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-N0771S7

L-Isoleucine-15N,d10
L-Isoleucine- ¹⁵N,d₁₀ is the deuterium and ¹⁵N-labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-N0717AS

D-Valine-d8
D-Valine-d₈ is the deuterium labeled D-Valine. D-Valine is the enantiomer of L-Valine (HY-N0717). L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid.

HY-N0717S1

L-Valine-13C5,15N
L-Valine- ¹³C₅, ¹⁵N is the ¹³C- and ¹⁵N-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1].

HY-N0717S7

L-Valine-1-13C,15N
L-Valine-1- ¹³C, ¹⁵N is the ¹³C- and ¹⁵N-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1].

HY-N0771S5

L-Isoleucine-13C6,15N,d10
L-Isoleucine- ¹³C₆, ¹⁵N,d₁₀ is the deuterium, ¹³C-, and 15-labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-N0771S6

L-Cysteine-13C3,15N,d3
L-Cysteine- ¹³C₃, ¹⁵N,d₃ is the deuterium, ¹³C-, and 15-labeled L-Isoleucine. L-isoleucine is a nonpolar hydrophobic amino acid[1]. L-Isoleucine is an essential amino acid.

HY-Y0123S1

DL-Tyrosine-d7
DL-Tyrosine-d₇ is the deuterium labeled DL-Tyrosine. DL-Tyrosine is an aromatic nonessential amino acid synthesized from the essential amino acid phenylalanine. DL-Tyrosine is a precursor for several important neurotransmitters (epinephrine, norepinephrine, dopamine)[1][2].

HY-Y0123S2

DL-Tyrosine-d2
DL-Tyrosine-d₂ is the deuterium labeled DL-Tyrosine. DL-Tyrosine is an aromatic nonessential amino acid synthesized from the essential amino acid phenylalanine. DL-Tyrosine is a precursor for several important neurotransmitters (epinephrine, norepinephrine, dopamine)[1][2].

HY-Y0123S3

DL-Tyrosine-d3
DL-Tyrosine-d₃ is the deuterium labeled DL-Tyrosine. DL-Tyrosine is an aromatic nonessential amino acid synthesized from the essential amino acid phenylalanine. DL-Tyrosine is a precursor for several important neurotransmitters (epinephrine, norepinephrine, dopamine)[1][2].

HY-N0486S13

L-Leucine-15N,d10
L-Leucine- ¹⁵N,d₁₀ is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway[1].

HY-N0326S7

L-Methionine-d3
L-Methionine-d₃ is the deuterium labeled L-Methionine. L-Methionine is the L-isomer of Methionine, an essential amino acid for human development. Methionine acts as a hepatoprotectant.

HY-N0326S8

L-Methionine-d8
L-Methionine-d₈ is the deuterium labeled L-Methionine. L-Methionine is the L-isomer of Methionine, an essential amino acid for human development. Methionine acts as a hepatoprotectant.

HY-N0326S10

L-Methionine-d4
L-Methionine-d₄ is the deuterium labeled L-Methionine. L-Methionine is the L-isomer of Methionine, an essential amino acid for human development. Methionine acts as a hepatoprotectant.

HY-N0486S11

L-Leucine-d1
L-Leucine-d is the deuterium labeled L-Leucine. L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway[1].

HY-N0717S2

L-Valine-13C5,15N,d8
L-Valine- ¹³C₅, ¹⁵N,d₈ is the deuterium, ¹³C-, and 15-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1].

HY-N0717S3

L-Valine-13C5,15N,d2
L-Valine- ¹³C₅, ¹⁵N,d₂ is the deuterium, ¹³C-, and 15-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid[1].

HY-N0326S

L-Methionine-15N
L-Methionine- ¹⁵N is the ¹⁵N-labeled L-Methionine. L-Methionine is the L-isomer of Methionine, an essential amino acid for human development. Methionine acts as a hepatoprotectant.

HY-N0326S3

L-Methionine-13C
L-Methionine- ¹³C is the ¹³C-labeled L-Methionine. L-Methionine is the L-isomer of Methionine, an essential amino acid for human development. Methionine acts as a hepatoprotectant.

HY-N0473S8

L-Tyrosine-d2
L-Tyrosine-d₂ is the deuterium labeled L-Tyrosine. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.

HY-N0473S9

L-Tyrosine-d7
L-Tyrosine-d₇ is the deuterium labeled L-Tyrosine. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.

HY-N0623S5

L-Tryptophan-d8
L-Tryptophan-d₈ is the deuterium labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3[1].

HY-N0832S

L-Histidine-15N3
L-Histidine- ¹⁵N₃ is the ¹⁵N-labeled L-Histidine. L-Histidine is an essential amino acid for infants. L-Histidine is an inhibitor of mitochondrial glutamine transport.

HY-N0473S14

L-Tyrosine-d5
L-Tyrosine-d₅ is the deuterium labeled L-Tyrosine. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.

HY-N0473S15

L-Tyrosine-d3
L-Tyrosine-d₃ is the deuterium labeled L-Tyrosine. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.

HY-N0623S9

L-Tryptophan-d3
L-Tryptophan-d₃ is the deuterium labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3[1].

HY-112019

L-Methionine-34S
L-Methionine- ³⁴S is a 34S-labeled L-Methionine. L-Methionine is the L-isomer of Methionine, an essential amino acid for human development. Methionine acts as a hepatoprotectant.

HY-N0473S1

L-Tyrosine-15N
L-Tyrosine- ¹⁵N is the ¹⁵N-labeled L-Tyrosine. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.

HY-N0667S5

L-Asparagine-d3 hydrate
L-Asparagine-d₃ (hydrate) is the deuterium labeled L-Asparagine. L-Asparagine ((-)-Asparagine) is a non-essential amino acid that is involved in the metabolic control of cell functions in nerve and brain tissue.

HY-N0326S5

L-Methionine-13C5
L-Methionine- ¹³C₅ is the ¹³C-labeled L-Methionine. L-Methionine is the L-isomer of Methionine, an essential amino acid for human development. Methionine acts as a hepatoprotectant.

HY-N0473S12

L-Tyrosine-17O
L-Tyrosine- ¹⁷O is the ¹⁷O-labeled L-Tyrosine. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.

HY-N0473S4

L-Tyrosine-13C
L-Tyrosine- ¹³C is the ¹³C-labeled L-Tyrosine. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.

HY-N0486S4

L-Leucine-d7
L-Leucine-d₇ is the deuterium labeled L-Leucine. L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway[1].

HY-N0486S9

L-Leucine-d3
L-Leucine-d₃ is the deuterium labeled L-Leucine. L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway[1].

HY-N0623S1

L-Tryptophan-13C
L-Tryptophan- ¹³C is the ¹³C-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3[1].

HY-N0623S7

L-Tryptophan-15N
L-Tryptophan- ¹⁵N is the ¹⁵N-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3[1].

HY-N0473S13

L-Tyrosine-d2-2
L-Tyrosine-d₂-2 is the deuterium labeled L-Tyrosine. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.

HY-N0486S12

L-Leucine-d2
L-Leucine-d₂ is the deuterium labeled L-Leucine. L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway[1].

HY-Y0123S

DL-Tyrosine-13C9,15N
DL-Tyrosine- ¹³C₉, ¹⁵N is the ¹³C- and ¹⁵N-labeled DL-Tyrosine. DL-Tyrosine is an aromatic nonessential amino acid synthesized from the essential amino acid phenylalanine. DL-Tyrosine is a precursor for several important neurotransmitters (epinephrine, norepinephrine, dopamine)[1].

Cat. No.	Product Name		Classification

HY-N0623

L-Tryptophan 5 Publications Verification Tryptophan; Tryptophane		Freeze-drying Protective Agents Solubilizing Agents
L-Tryptophan (Tryptophan) is an orally active and essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3. L-Tryptophan can promote an increase in stemness and osteogenic ability of BMSCs in vitro and in vivo. L-Tryptophan inhibits cell proliferation and induced cell cycle arrest with high levels .

HY-N0832

L-Histidine 2 Publications Verification		Freeze-drying Protective Agents Solubilizing Agents
L-Histidine is an essential amino acid for infants. L-Histidine is an inhibitor of mitochondrial glutamine transport.

HY-N0486

L-Leucine Maximum Cited Publications 8 Publications Verification Leucine		Others
L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway .

HY-N0667

L-Asparagine 3 Publications Verification (-)-Asparagine; Asn; Asparamide		Freeze-drying Protective Agents Solubilizing Agents
L-Asparagine ((-)-Asparagine) is a non-essential amino acid involved in the metabolic control of nerve and brain tissue cell function. L-Asparagine has antitumor activity .

HY-132586A

Viltolarsen sodium NS-065/NCNP-01 sodium		Antisense Oligonucleotides
Viltolarsen (NS-065/NCNP-01) sodium is a phosphorodiamidate morpholino antisense oligonucleotide. Viltolarsen sodium binds to exon 53 of the dystrophin mRNA precursor and restores the amino acid open-reading frame by skipping exon 53, resulting in the production of a shortened dystrophin protein that contains essential functional portions. Viltolarsen sodium has the potential for Duchenne muscular dystrophy (DMD) research .

HY-132586

Viltolarsen NS-065/NCNP-01		Antisense Oligonucleotides
Viltolarsen (NS-065/NCNP-01) is a phosphorodiamidate morpholino antisense oligonucleotide. Viltolarsen binds to exon 53 of the dystrophin mRNA precursor and restores the amino acid open-reading frame by skipping exon 53, resulting in the production of a shortened dystrophin protein that contains essential functional portions. Viltolarsen has the potential for Duchenne muscular dystrophy (DMD) research .

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