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precursor

" in MedChemExpress (MCE) Product Catalog:

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682

Inhibitors & Agonists

Screening Libraries

Fluorescent Dye

Biochemical Assay Reagents

Peptides

Inhibitory Antibodies

235

Natural
Products

Recombinant Proteins

130

Isotope-Labeled Compounds

Antibodies

Click Chemistry

Oligonucleotides

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-117544

Porphyrin precursor	Others	Others
Porphyrin precursor is the precursor of Porphyrin for the synthesis of Porphyrin. Porphyrin is a large organic compound containing four modified pyrrole subunits interconnected to each other .

HY-139516

AZD4694 Precursor AZ13040214; NAV4614	Amyloid-β	Others
AZD4694 Precursor (AZ13040214) is the precursor of [ ¹⁸F] AZD4694 for the synthesis of [ ¹⁸F] AZD4694, an amyloid-β imaging ligand with high affinity for amyloid-β plaques .

HY-126226

MK-6240 Precursor	Others	Cancer
MK-6240 Precursor (6e) is the synthetic precursor of (18)F]-MK-6240. (18)F]-MK-6240 is a tau positron emission tomography (PET) tracer for neurofibrillary tangles (NFTs), exhibiting high specificity and selectivity for binding to NFTs .

HY-158243

Fallypride precursor	Dopamine Receptor	Neurological Disease
Fallypride precursor (Compound 15) can be used for synthesis of Fallypride (HY-135497). Fallypride is an antagonist of the dopamine D2/D3 receptor. Fallypride can be used as a positron emission tomography (PET) radiotracer when labeled with ¹⁸F .

HY-P3964

*TRH Precursor* Peptide**	Endogenous Metabolite	Endocrinology
TRH Precursor Peptide is a precursor peptide of thyrotropin-releasing hormone (TRH). TRH Precursor Peptide formation of TRH in rat brain and pituitary is zinc-dependent .

HY-126712

ROS tracer precursor	Biochemical Assay Reagents	Neurological Disease
ROS tracer precursor is the precursor of [ ¹⁸F]ROStrace for the synthesis of ROStrace, which can be used for disease diagnosis .

HY-P1894

*β-Amyloid Protein Precursor* 770 (135-155)**	Amyloid-β	Neurological Disease
β-Amyloid Protein Precursor 770 (135-155) is a peptide of amyloid precursor protein isoform (APP 770). APP 770 produces Aβ40/42 .

HY-43586

BR351 precursor	MMP	Cancer
BR351 precursor is a precursor of BR351. BR351 is a brain penetrant MMP inhibitor with IC₅₀s of 4, 2, 11, 50 nM for MMP2, MMP8, MMP9 and MMP13, respectively .

HY-141647

[18F]-Labeled L-dopa precursor	Dopamine Receptor	Others
[18F]-Labeled L-dopa precursor is a precursor for synthesis of 18F-labeled L-dopa extracted from patent WO2014095739A1, example 8 .

HY-P5696

*Xenopsin precursor* fragment**	Bacterial Parasite Fungal	Infection
Xenopsin precursor fragment is an antimicrobial peptide, and has antibacterial/antifungal (10-500 μg/mL) and anti-protozoal (MIC: 2-20 μg/mL) activity .

HY-W016779

Cyclopentyl phenyl ketone	Others	Others
Cyclopentyl phenyl ketone is a precursor in the synthesis of ketamine .

HY-W096638

Glycerylphosphorylcholine	Others	Others
Glycerylphosphorylcholine is a precursor of free choline in mammalian semen .

HY-N10346

Gluconapin potassium	Others	Cancer
Gluconapin potassium is the precursor of sulforaphane. Sulforaphane is a potent anti-cancer isothiocyanate .

HY-W090292

Olivetolic acid	Others	Neurological Disease
Olivetolic acid is a biosynthetic precursor of cannabinol acid (CBGA). Olivetolic acid has anticonvulsant activity .

HY-W026772

Fluorene 1 Publications Verification	Fluorescent Dye	Others
Fluorene, a polycyclic aromatic hydrocarbon (PAH), is a precursor to other fluorene compounds. Fluorene and its derivative can be used as a precursor to fluorene-based dyes .

HY-N1537

Preisocalamendiol Preisocalamenediol	Others	Others
Preisocalamendiol is a plausible precursor of isocalamendiol. Preisocalamendiol can be isolated from Acorus calamus L .

HY-126370

Geranylgeranyl pyrophosphate	Endogenous Metabolite	Cancer
Geranylgeranyl pyrophosphate is a metabolite involved in protein geranylgeranylation. Geranylgeranyl pyrophosphate is the common precursor of diterpenoids, for example, Paclitaxel. Geranylgeranyl pyrophosphate can be used for cancer research .

HY-N3262

Methylisopelletierine	Others	Others
Methylisopelletierine is the immediate precursor of psueudopelletierine. Methylisopelletierine is derived from lysine and acetate .

HY-N1651

2,3',4,6-Tetrahydroxybenzophenone	Others	Others
2,3',4,6-Tetrahydroxybenzophenone, a kind of benzophenone, is the immediate precursor of xanthones in higher plants .

HY-W037823

Pterin-6-carboxylic acid	Others	Others
Pterin-6-carboxylic acid serves as a precursor for the formation of folate, which plays a critical role in cell growth, development, and repair. Pterine-6-carboxylic acid has been studied for its potential as a fluorescent dye .

HY-W345393

Trh-gly TRH-glycine	Thyroid Hormone Receptor	Endocrinology
Trh-gly (TRH-glycine) is a precursor of thyrotropin (TSH)-releasing hormone (TRH) that can release thyrotropin and prolactin .

HY-126370A

Geranylgeranyl pyrophosphate triammonium	Endogenous Metabolite	Cancer
Geranylgeranyl pyrophosphate triammonium is a metabolite involved in protein geranylgeranylation. Geranylgeranyl pyrophosphate triammonium is the common precursor of diterpenoids, for example, Paclitaxel. Geranylgeranyl pyrophosphate triammonium can be used for cancer research .

HY-W026772R

Fluorene (Standard)	Fluorescent Dye	Others
Fluorene (Standard) is the analytical standard of Fluorene. This product is intended for research and analytical applications. Fluorene, a polycyclic aromatic hydrocarbon (PAH), is a precursor to other fluorene compounds. Fluorene and its derivative?can be used as a precursor to fluorene-based dyes .

HY-N1439

Methyl gypsogenin-3-O-glucuronide Gypsogenin-3-O-(6-O-methyl)-glucoside	Others	Inflammation/Immunology
Methyl gypsogenin-3-O-glucuronide (Gypsogenin-3-O-(6-O-methyl)-glucoside) is a ubiquitous saponin precursor in plants of the genus Gypsophila .

HY-N8505

Lobelanine 8,10-Diphenyllobelidione	Others	Others
Lobelanine (8,10-Diphenyllobelidione) is a chemical precursor for the biosynthesis of Lobeline. Lobeline is a partial nicotinic agonist and is used as a smoking cessation agent .

HY-126574

Pantothenoylcysteine	Endogenous Metabolite	Others
Pantothenoylcysteine is the biosynthetic precursor of CoA. Pantothenoylcysteine can be used to study microbial metabolism .

HY-129247

Versicolorin A	Others	Others
Versicolorin A, a precursor of aflatoxin B₁ (AFB₁), can serve as an early indicator of aflatoxin (AF) contamination, even when AFs themselves are present at undetectable levels .

HY-N8400

Roridin L2	Endogenous Metabolite	Others
Roridin L2, a fungal metabolite, is a biosynthetic precursor of Satratoxin G. Roridin L2 possesses little in vitro or in vivo toxic activity .

HY-142080

Pimeloyl-CoA	Others	Metabolic Disease
Pimeloyl-CoA is a biotin precursor of Escherichia coli. Pimeloyl-CoA can be used for the research of the pathway of de novo biotin biosynthesis in Escherichia coli .

HY-Y0932

Isophorone	Biochemical Assay Reagents	Others
Isophorone, an α,β-unsaturated cyclic ketone, is used as a precursor to polymers .

HY-W018758

1-Phenylpropane-1,2-dione	Others	Others Metabolic Disease
1-Phenylpropane-1,2-dione, isolated from young Ephedra sinica Stapf (Ephedraceae), is biosynthetic precursors of the ephedrine alkaloids .

HY-142080A

Pimeloyl-CoA lithium	Others	Metabolic Disease
Pimeloyl-CoA lithium is a biotin precursor of Escherichia coli. Pimeloyl-CoA lithium can be used for the research of the pathway of de novo biotin biosynthesis in Escherichia coli .

HY-151631

MRV03-070	Bacterial	Infection
MRV03-070 is an inhibitor of colibactin-activating peptidase ClbP with an IC₅₀ value of 69 nM, acts like biosynthetic precursor precolibactin .

HY-N7007

Sclareol glycol	Others	Metabolic Disease
Sclareol glycol is the precursor of ambroxide. Hyphozyma roseonigra ATCC 20624 was the only reported strain capable of degrading sclareol to the main product of sclareol glycol .

HY-W104368

Nicotinic acid riboside	Endogenous Metabolite	Metabolic Disease Cancer
Nicotinic acid riboside is a NAD ⁺ precursor in human cells. Nicotinic acid riboside is an authentic intermediate of human NAD ⁺ metabolism .

HY-N10773

1-Oxomicrostegiol	Others	Others
1-Oxomicrostegiol is a diterpenoid isolated from the roots of Salvia viridis L. cvar that acts as a direct precursor to viroxocin .

HY-107833

A40926	Bacterial	Infection
A40926, the precursor of Dalbavancin, is a second-generation glycopeptide antibiotic. A40926 inhibits gram-positive bacteria, and is very active against Neisseria gonorrhoeae .

HY-N1150

Thymidine 5+ Cited Publications DThyd; NSC 21548	DNA/RNA Synthesis Endogenous Metabolite Orthopoxvirus	Cancer
Thymidine, a specific precursor of deoxyribonucleic acid, is used as a cell synchronizing agent. Thymidine is a DNA synthesis inhibitor that can arrest cell at G1/S boundary, prior to DNA replication .

HY-W018025

5,6-Dihydroxyindole	Bacterial Fungal Parasite Endogenous Metabolite	Infection Inflammation/Immunology
5,6-Dihydroxyindole, a melanin precursor, has a broad-spectrum antibacterial, antifungal, antiviral, antiparasitic activity. 5,6-Dihydroxyindole has cytotoxic effects and is strongly toxic against various pathogens .

HY-N3555

(+)-Catechin pentaacetate	COX	Cancer
(+)-Catechin pentaacetate is a precursor for the production of (+) catechin (HY-N0898 ). (+) catechin is a useful natural herbicide and antimicrobial. (+)-Catechin inhibits cyclooxygenase-1 (COX-1) with an IC₅₀ of 1.4 μM .

HY-158736

Lyso-sulfatide (bovine) (ammonium) Psychosine 3′-O-sulfate ammonium; Psychosine 3′-sulfate ammonium	Others	Cancer
Lyso-sulfatide (bovine) ammonium, a derivative of the glycosphingolipid sulfatide, acts as an extracellular signal regulating the migration of a neural precursor cell line (B35 neuroblastoma cells) by rapidly promoting process retraction and cell rounding .

HY-W403933

12-Ketochenodeoxycholic acid	Autophagy	Metabolic Disease
12-Ketochenodeoxycholic acid 12 is a direct precursor of cholodeoxycholic acid (CDCA). Cholodeoxycholic acid is used to cholesterol gallstones and has chemotherapeutic properties that dissolve gallstones .

HY-115642

preQ1 dihydrochloride	Others	Metabolic Disease
preQ1 dihydrochloride is a modified, guanine-derived nucleobase and a precursor of Queuine (HY-N10574) biosynthesis. preQ1 dihydrochloride binds to the aptamer of PreQ1 riboswitch with high affinity .

HY-P3919

Adrenotensin (human) Pro-ADM-153-185 (human)	CGRP Receptor	Cardiovascular Disease
Adrenotensin (human) (Pro-ADM-153-185 (human)) is a 153-185 fragment of precursor peptide of Adrenomedullin. Adrenomedullin (ADM) is a 52-amino acid multifunctional peptide, which belongs to the CGRP superfamily of vasoactive peptide hormones .

HY-P1486

Angiotensinogen (1-14), human	Endogenous Metabolite	Cardiovascular Disease
Angiotensinogen (1-14), human is a fragment of the renin substrate angiotensinogen. Angiotensinogen is naturally occurring substrate for renin and a precursor for all angiotensin peptides .

HY-P1486A

Angiotensinogen (1-14), human TFA	Endogenous Metabolite	Cardiovascular Disease
Angiotensinogen (1-14), human TFA is a fragment of the renin substrate angiotensinogen. Angiotensinogen is naturally occurring substrate for renin and a precursor for all angiotensin peptides .

HY-100705

DMNB 6-Nitroveratraldehyde	Others	Neurological Disease
DMNB (6-Nitroveratraldehyde), a precursor, can be used for the synthesis no-carrier-added 6-[ ¹⁸F]fluoro-L-DOPA (6-FDOPA). No-Carrier-Added (NCA) 6-[18F]fluoro-L-dopa (6-FDOPA) is being produced routinely for PET investigations of dopaminergic systems .

HY-114297

Zymosterol 1 Publications Verification	Endogenous Metabolite	Others
Zymosterol is a Cholesterol (HY-N0322) biosynthesis metabolite. Zymosterol, a precursor of Cholesterol, is found mostly in the plasma membrane. Zymosterol circulates within the cell .

HY-Y0932R

Isophorone (Standard)	Biochemical Assay Reagents	Others
Isophorone (Standard) is the analytical standard of Isophorone. This product is intended for research and analytical applications. Isophorone, an α,β-unsaturated cyclic ketone, is used as a precursor to polymers .

HY-W003112

4-Fluororesorcinol	Fluorescent Dye	Others
4-Fluororesorcinol is a precursor used in the preparation of fluorescent dyes or indicators such as fluorescein, coumarin and resorcinol analogues .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N1439

Methyl gypsogenin-3-O-glucuronide Gypsogenin-3-O-(6-O-methyl)-glucoside	Triterpenes Structural Classification other families Classification of Application Fields Terpenoids Source classification Plants Inflammation/Immunology Disease Research Fields	Others
Methyl gypsogenin-3-O-glucuronide (Gypsogenin-3-O-(6-O-methyl)-glucoside) is a ubiquitous saponin precursor in plants of the genus Gypsophila .

HY-N8505

Lobelanine 8,10-Diphenyllobelidione	Alkaloids Piperidine Alkaloids Classification of Application Fields Source classification Other Diseases Campanulaceae Plants Disease Research Fields Lobelia chinensis Lour.	Others
Lobelanine (8,10-Diphenyllobelidione) is a chemical precursor for the biosynthesis of Lobeline. Lobeline is a partial nicotinic agonist and is used as a smoking cessation agent .

HY-N10346

Gluconapin potassium	Structural Classification Brassica rapa L. Classification of Application Fields Ketones, Aldehydes, Acids Source classification Glucosinolates Plants Brassicaceae Disease Research Fields Cancer	Others
Gluconapin potassium is the precursor of sulforaphane. Sulforaphane is a potent anti-cancer isothiocyanate .

HY-N1537

Preisocalamendiol Preisocalamenediol	Structural Classification Araceae Terpenoids Sesquiterpenes Source classification Acorus calamus L. Plants	Others
Preisocalamendiol is a plausible precursor of isocalamendiol. Preisocalamendiol can be isolated from Acorus calamus L .

HY-126370

Geranylgeranyl pyrophosphate	Structural Classification Natural Products Human Gut Microbiota Metabolites Classification of Application Fields Source classification Endogenous metabolite Disease Research Fields Cancer	Endogenous Metabolite
Geranylgeranyl pyrophosphate is a metabolite involved in protein geranylgeranylation. Geranylgeranyl pyrophosphate is the common precursor of diterpenoids, for example, Paclitaxel. Geranylgeranyl pyrophosphate can be used for cancer research .

HY-N3262

Methylisopelletierine	Alkaloids Piperidine Alkaloids Punica granatum L. Classification of Application Fields Source classification Other Diseases Punicaceae Plants Disease Research Fields	Others
Methylisopelletierine is the immediate precursor of psueudopelletierine. Methylisopelletierine is derived from lysine and acetate .

HY-N1651

2,3',4,6-Tetrahydroxybenzophenone	Structural Classification Gentiana lutea L. Source classification Gentianaceae Phenols Polyphenols Plants	Others
2,3',4,6-Tetrahydroxybenzophenone, a kind of benzophenone, is the immediate precursor of xanthones in higher plants .

HY-126370A

Geranylgeranyl pyrophosphate triammonium	Structural Classification Natural Products Classification of Application Fields Source classification Endogenous metabolite Disease Research Fields Cancer	Endogenous Metabolite
Geranylgeranyl pyrophosphate triammonium is a metabolite involved in protein geranylgeranylation. Geranylgeranyl pyrophosphate triammonium is the common precursor of diterpenoids, for example, Paclitaxel. Geranylgeranyl pyrophosphate triammonium can be used for cancer research .

HY-129247

Versicolorin A	Quinones Microorganisms Classification of Application Fields Anthraquinones Source classification Other Diseases Disease Research Fields	Others
Versicolorin A, a precursor of aflatoxin B₁ (AFB₁), can serve as an early indicator of aflatoxin (AF) contamination, even when AFs themselves are present at undetectable levels .

HY-N8400

Roridin L2	Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Source classification Other Diseases Disease Research Fields	Endogenous Metabolite
Roridin L2, a fungal metabolite, is a biosynthetic precursor of Satratoxin G. Roridin L2 possesses little in vitro or in vivo toxic activity .

HY-142080

Pimeloyl-CoA	Human Gut Microbiota Metabolites Microorganisms Source classification Endogenous metabolite	Others
Pimeloyl-CoA is a biotin precursor of Escherichia coli. Pimeloyl-CoA can be used for the research of the pathway of de novo biotin biosynthesis in Escherichia coli .

HY-Y0932

Isophorone	Structural Classification Animals Classification of Application Fields Ketones, Aldehydes, Acids Source classification Other Diseases Disease Research Fields	Biochemical Assay Reagents
Isophorone, an α,β-unsaturated cyclic ketone, is used as a precursor to polymers .

HY-W018758

1-Phenylpropane-1,2-dione	Structural Classification Classification of Application Fields Ketones, Aldehydes, Acids Source classification Ephedraceae Other Diseases Plants Disease Research Fields Ephedra sinica Stapf	Others
1-Phenylpropane-1,2-dione, isolated from young Ephedra sinica Stapf (Ephedraceae), is biosynthetic precursors of the ephedrine alkaloids .

HY-N7007

Sclareol glycol	Structural Classification Natural Products Microorganisms Classification of Application Fields Source classification Metabolic Disease Disease Research Fields	Others
Sclareol glycol is the precursor of ambroxide. Hyphozyma roseonigra ATCC 20624 was the only reported strain capable of degrading sclareol to the main product of sclareol glycol .

HY-W104368

Nicotinic acid riboside	Alkaloids Classification of Application Fields Source classification Agrostidoideae Pyridine Alkaloids Metabolic Disease Plants Disease Research Fields Triticum aestivum L.	Endogenous Metabolite
Nicotinic acid riboside is a NAD ⁺ precursor in human cells. Nicotinic acid riboside is an authentic intermediate of human NAD ⁺ metabolism .

HY-N10773

1-Oxomicrostegiol	Structural Classification Terpenoids Labiatae Source classification Diterpenoids Plants	Others
1-Oxomicrostegiol is a diterpenoid isolated from the roots of Salvia viridis L. cvar that acts as a direct precursor to viroxocin .

HY-N1150

Thymidine 5+ Cited Publications DThyd; NSC 21548	Structural Classification Natural Products Immune System Disorder Microorganisms Classification of Application Fields Source classification Disease markers Other Diseases Endogenous metabolite Disease Research Fields	DNA/RNA Synthesis Endogenous Metabolite Orthopoxvirus
Thymidine, a specific precursor of deoxyribonucleic acid, is used as a cell synchronizing agent. Thymidine is a DNA synthesis inhibitor that can arrest cell at G1/S boundary, prior to DNA replication .

HY-W018025

5,6-Dihydroxyindole	Structural Classification Natural Products Classification of Application Fields Source classification Phenols Polyphenols Endogenous metabolite Inflammation/Immunology Disease Research Fields	Bacterial Fungal Parasite Endogenous Metabolite
5,6-Dihydroxyindole, a melanin precursor, has a broad-spectrum antibacterial, antifungal, antiviral, antiparasitic activity. 5,6-Dihydroxyindole has cytotoxic effects and is strongly toxic against various pathogens .

HY-N3555

(+)-Catechin pentaacetate	Structural Classification Natural Products Source classification Taxaceae Plants Taxus wallichiana Zucc.	COX
(+)-Catechin pentaacetate is a precursor for the production of (+) catechin (HY-N0898 ). (+) catechin is a useful natural herbicide and antimicrobial. (+)-Catechin inhibits cyclooxygenase-1 (COX-1) with an IC₅₀ of 1.4 μM .

HY-W403933

12-Ketochenodeoxycholic acid	Structural Classification Human Gut Microbiota Metabolites Microorganisms Ketones, Aldehydes, Acids Source classification Endogenous metabolite	Autophagy
12-Ketochenodeoxycholic acid 12 is a direct precursor of cholodeoxycholic acid (CDCA). Cholodeoxycholic acid is used to cholesterol gallstones and has chemotherapeutic properties that dissolve gallstones .

HY-114297

Zymosterol 1 Publications Verification	Structural Classification Microorganisms Source classification Endogenous metabolite Steroids	Endogenous Metabolite
Zymosterol is a Cholesterol (HY-N0322) biosynthesis metabolite. Zymosterol, a precursor of Cholesterol, is found mostly in the plasma membrane. Zymosterol circulates within the cell .

HY-Y0932R

Isophorone (Standard)	Structural Classification Animals Ketones, Aldehydes, Acids Source classification	Biochemical Assay Reagents
Isophorone (Standard) is the analytical standard of Isophorone. This product is intended for research and analytical applications. Isophorone, an α,β-unsaturated cyclic ketone, is used as a precursor to polymers .

HY-N0420A

Succinic acid tromethamine Wormwood acid tromethamine	Structural Classification Neurological Disease Classification of Application Fields Ketones, Aldehydes, Acids Source classification Endogenous metabolite Disease Research Fields	Endogenous Metabolite
Succinic acid tromethamine is a potent and orally active anxiolytic agent. Succinic acid tromethamine is an intermediate product of the tricarboxylic acid cycle. Succinic acid tromethamine can be used as a precursor of many industrially important chemicals in food, chemical and pharmaceutical industries .

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-N1150R

Thymidine (Standard)	Structural Classification Natural Products Immune System Disorder Microorganisms Source classification Disease markers Endogenous metabolite	DNA/RNA Synthesis Endogenous Metabolite Orthopoxvirus
Thymidine (Standard) is the analytical standard of Thymidine. This product is intended for research and analytical applications. Thymidine, a specific precursor of deoxyribonucleic acid, is used as a cell synchronizing agent. Thymidine is a DNA synthesis inhibitor that can arrest cell at G1/S boundary, prior to DNA replication .

HY-N10176

D-Isofloridoside	Cardiovascular Disease other families Classification of Application Fields Source classification Plants Disease Research Fields Saccharides	Reactive Oxygen Species MMP
D-Isofloridoside, one of the polysaccharide precursors, has the activity of scavenging free radicals, inhibiting ROS expression, and inhibiting MMP-2 and MMP-9 .

HY-W000800

cis,cis-Muconic acid	Structural Classification Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Source classification Other Diseases Disease Research Fields	Endogenous Metabolite
cis,cis-Muconic acid, a metabolic intermediate of Klebsiella pneumonia, can be converted to adipic acid and terephthalic acid, which are important monomers of synthetic polymers. cis,cis-Muconic acid is also a biochemical material that can be used for the production of various plastics and polymers and is particularly gaining attention as an adipic acid precursor for the synthesis of nylon-6,6 .

HY-W018025R

5,6-Dihydroxyindole (Standard)	Structural Classification Natural Products Source classification Phenols Polyphenols Endogenous metabolite	Bacterial Fungal Parasite Endogenous Metabolite
5,6-Dihydroxyindole (Standard) is the analytical standard of 5,6-Dihydroxyindole. This product is intended for research and analytical applications. 5,6-Dihydroxyindole, a melanin precursor, has a broad-spectrum antibacterial, antifungal, antiviral, antiparasitic activity. 5,6-Dihydroxyindole has cytotoxic effects and is strongly toxic against various pathogens .

HY-119663

Averantin	Infection Quinones Microorganisms Classification of Application Fields Anthraquinones Source classification Disease Research Fields	Fungal
Averantin is the minor metabolite of the fungus Cercospora arachidicola . Averantin is an aflatoxin B1 precursor that can be used in the biosynthetic pathway .

HY-12695

Guanosine 5'-triphosphate trisodium salt 5+ Cited Publications 5'-GTP trisodium salt	Structural Classification Classification of Application Fields Ketones, Aldehydes, Acids Source classification Other Diseases Endogenous metabolite Disease Research Fields	Endogenous Metabolite DNA/RNA Synthesis
Guanosine 5'-triphosphate (5'-GTP) trisodium salt is a G protein (G proteins) signaling activator and a high-energy precursor in the biosynthesis of nucleotide units in DNA and RNA. Guanosine 5'-triphosphate trisodium salt can promote myogenic cell differentiation by upregulating miRNA (miR133a, miR133b) and myogenic regulatory factor expression, and by inducing human myogenic precursor cells to release exosomes containing guanosine molecules. Guanosine-5'-triphosphate disodium salt holds promise for research in biosynthesis and skeletal muscle regeneration .

HY-W010737

Guanosine-5'-triphosphate disodium salt 5+ Cited Publications 5'-GTP disodium salt	Structural Classification Natural Products Classification of Application Fields Source classification Metabolic Disease Endogenous metabolite Disease Research Fields	Endogenous Metabolite MicroRNA
Guanosine 5'-triphosphate (5'-GTP) trisodium salt is a G protein (G proteins) signaling activator and a high-energy precursor in the biosynthesis of nucleotide units in DNA and RNA. Guanosine 5'-triphosphate trisodium salt can promote myogenic cell differentiation by upregulating miRNA (miR133a, miR133b) and myogenic regulatory factor expression, and by inducing human myogenic precursor cells to release exosomes containing guanosine molecules. Guanosine-5'-triphosphate disodium salt holds promise for research in biosynthesis and skeletal muscle regeneration .

HY-W002112

(±)-Nornicotine Nornicotine	Structural Classification Alkaloids Pyrrole Alkaloids Neurological Disease Classification of Application Fields Source classification Pyridine Alkaloids Endogenous metabolite Disease Research Fields	Endogenous Metabolite Drug Metabolite
(±)-Nornicotine is the primary metabolite of nicotine that is formed through demethylation of nicotine in the genus Nicotiana tabacum L. (±)-Nornicotine is a precursor of tobacco-specific nitrosamine N-nitrosonornicotine. (±)-Nornicotine has detrimental effects to human health .

HY-N0304

L-DOPA 15+ Cited Publications Levodopa; 3,4-Dihydroxyphenylalanine	Structural Classification Human Gut Microbiota Metabolites Microorganisms Ketones, Aldehydes, Acids Disease markers Phenols Polyphenols Nervous System Disorder Endogenous metabolite	Dopamine Receptor Endogenous Metabolite
L-DOPA (Levodopa) is an orally active metabolic precursor of neurotransmitters dopamine. L-DOPA can cross the blood-brain barrier and is converted into dopamine in the brain. L-DOPA has anti-allodynic effects and the potential for Parkinson's disease .

HY-N0304A

L-DOPA sodium Levodopa sodium; 3,4-Dihydroxyphenylalanine sodium	Structural Classification Alkaloids Neurological Disease Classification of Application Fields Other Alkaloids Source classification Phenols Polyphenols Endogenous metabolite Disease Research Fields	Dopamine Receptor Endogenous Metabolite
L-DOPA (Levodopa) sodium is an orally active metabolic precursor of neurotransmitters dopamine. L-DOPA sodium can cross the blood-brain barrier and is converted into dopamine in the brain. L-DOPA sodium has anti-allodynic effects, and can be used for Parkinson's disease research .

HY-B1472

Deoxycorticosterone acetate 1 Publications Verification 11-Deoxycorticosterone acetate; DOC acetate; Cortexone acetate	Structural Classification Classification of Application Fields Source classification Endogenous metabolite Disease Research Fields Endocrinology Steroids	Mineralocorticoid Receptor Endogenous Metabolite
Deoxycorticosterone acetate (DOCA) is an adrenocortin, acts as a precursor to aldosterone. Deoxycorticosterone acetate is a mineralocorticoid receptor agonist. Deoxycorticosterone acetate can cause severe renal injury, including inflammation, fibrosis, glomerular damage, and proteinuria .

HY-Y0335

1,3-Dihydroxyacetone Dihydroxyacetone	Structural Classification Human Gut Microbiota Metabolites Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Source classification Other Diseases Endogenous metabolite Disease Research Fields	Endogenous Metabolite
1,3-Dihydroxyacetone (DHA), the main active ingredient in sunless tanning skin-care preparations and an important precursor for the synthesis of various fine chemicals, is produced on an industrial scale by microbial fermentation of glycerol (HY-B1659) in Gluconobacter oxydans. 1,3-Dihydroxyacetone is also used for synthesis of new biodegradable polymers by combining with lactic acid (HY-B2227) .

HY-113462

α-Carotene	Structural Classification Classification of Application Fields Source classification Plants Food Research Other Terpenoids Microorganisms Terpenoids Pigments Decachaeta ovatifolia (DC.) R.M.King & H.Rob. Umbelliferae Disease Research Fields Cancer	Others
α-Carotene, a precursor of vitamin A, is used as an anti-metastatic agent or as an adjuvant for anti-cancer agents. α-Carotene is isolated from yellow-orange and dark-green vegetables .

HY-P99720

Luspatercept ACE-536; luspatercept–aamt	Classification of Application Fields Disease Research Fields Cancer	TGF-beta/Smad
Luspatercept (ACE-536) is a recombinant modified ActRIIB fusion protein that binds with transforming growth factor β superfamily ligands. Luspatercept increases the erythrocyte numbers and promotes maturation of erythroid precursors. Luspatercept binds with GDF11 and inhibits Smad2/3 signaling. Luspatercept can be used for the research of anemia .

HY-Y0335R

1,3-Dihydroxyacetone (Standard)	Structural Classification Human Gut Microbiota Metabolites Microorganisms Ketones, Aldehydes, Acids Source classification Endogenous metabolite	Endogenous Metabolite
1,3-Dihydroxyacetone (Standard) is the analytical standard of 1,3-Dihydroxyacetone. This product is intended for research and analytical applications. 1,3-Dihydroxyacetone (DHA), the main active ingredient in sunless tanning skin-care preparations and an important precursor for the synthesis of various fine chemicals, is produced on an industrial scale by microbial fermentation of glycerol (HY-B1659) in Gluconobacter oxydans. 1,3-Dihydroxyacetone is also used for synthesis of new biodegradable polymers by combining with lactic acid (HY-B2227) .

HY-113462R

α-Carotene (Standard)	Other Terpenoids Structural Classification Microorganisms Terpenoids Source classification Decachaeta ovatifolia (DC.) R.M.King & H.Rob. Umbelliferae Plants	Others
α-Carotene (Standard) is the analytical standard of α-Carotene. This product is intended for research and analytical applications. α-Carotene, a precursor of vitamin A, is used as an anti-metastatic agent or as an adjuvant for anti-cancer agents. α-Carotene is isolated from yellow-orange and dark-green vegetables .

HY-101416

Vanilpyruvic acid Vanylpyruvic acid	Structural Classification Monophenols Neurological Disease Classification of Application Fields Ketones, Aldehydes, Acids Source classification Phenols Endogenous metabolite Disease Research Fields Endocrinology	Adrenergic Receptor Monoamine Transporter Opioid Receptor Drug Metabolite Endogenous Metabolite
Vanilpyruvic acid is a catecholamine metabolite and precursor to vanillactic acid.

HY-W010256

D-Xylulose	Structural Classification Human Gut Microbiota Metabolites Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Source classification Metabolic Disease Endogenous metabolite Disease Research Fields	Endogenous Metabolite
D-xylulose is a precursor of the pentiol D-arabitol.

HY-Y0839

Levulinic acid 4-Oxovaleric acid; NSC 3716	Structural Classification Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Source classification Other Diseases Endogenous metabolite Disease Research Fields	Endogenous Metabolite
Levulinic acid is a precursor for the synthesis of biofuels, such as ethyl levulinate.

HY-127033

Santalene	Classification of Application Fields Santalum album Linn. Terpenoids Sesquiterpenes Source classification Other Diseases Plants Disease Research Fields Santalaceae	Others
α-Santalene is a precursor of Sandalwood Oil.

HY-114202

delta-Valerobetaine	Classification of Application Fields Ketones, Aldehydes, Acids Source classification Other Diseases Endogenous metabolite Disease Research Fields	Endogenous Metabolite
delta-Valerobetaine is a precursor of trimethylamine N-oxide (TMAO).

HY-N4106

Dihydroartemisinic acid Dihydroqinghao acid	Infection other families Classification of Application Fields Terpenoids Sesquiterpenes Source classification Plants Disease Research Fields	Parasite Ferroptosis
Dihydroartemisinic acid (Dihydroqinghao acid) is a biosynthetic precursor to the antimalarial agent Artemisinin .

HY-113279

7-Dehydrocholesterol 3 Publications Verification	Structural Classification Human Gut Microbiota Metabolites Microorganisms Classification of Application Fields Source classification Other Diseases Endogenous metabolite Disease Research Fields Steroids	Endogenous Metabolite
7-Dehydrocholesterol is biosynthetic precursor of cholesterol and vitamin D₃.

HY-128425

N-Carbamoyl-DL-aspartic acid Ureidosuccinic Acid	Structural Classification Human Gut Microbiota Metabolites Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Source classification Metabolic Disease Endogenous metabolite Disease Research Fields	Endogenous Metabolite
N-Carbamoyl-DL-aspartic acid (Ureidosuccinic acid) is a precursor of nucleic acid pyrimidines .

HY-B1405

Dehydroisoandrosterone 3-acetate 1 Publications Verification Dehydroepiandrosterone 3-acetate; DHEA acetate	Classification of Application Fields Disease Research Fields Cancer	Androgen Receptor
Dehydroepiandrosterone 3-acetate is a testosterone/estrogen precursor and known modulator of vertebrate aggression.

HY-W006057

3-Methyl-2-oxobutanoic acid	Structural Classification Classification of Application Fields Ketones, Aldehydes, Acids Source classification Other Diseases Disease markers Endocrine diseases Nervous System Disorder Endogenous metabolite Disease Research Fields	Endogenous Metabolite
3-Methyl-2-oxobutanoic acid is a precursor of pantothenic acid in Escherichia coli.

Cat. No.	Product Name	Chemical Structure

HY-113414S

Deoxycorticosterone-d8
Deoxycorticosterone-d₈ is the deuterium labeled Deoxycorticosterone. Deoxycorticosterone is a steroid hormone produced by the adrenal gland that possesses mineralocorticoid activity and acts as an aldosterone precursor[1][2].

HY-Y0839S

Levulinic acid-d5
Levulinic acid-d₅ is the deuterium labeled Levulinic acid[1]. Levulinic acid is a precursor for the synthesis of biofuels, such as ethyl levulinate[2].

HY-W021448S

Glycocyamine-d2
Glycocyamine-d₂ is the deuterium labeled Glycocyamine. Glycocyamine (Guanidinoacetic acid), a precursor of creatine, is a replacement of dietary arginine and could support overall energy homeostasis of the bird.

HY-N1150S10

Thymidine-d14
Thymidine-d₁₄ (DThyd-d₁₄; NSC 21548-d₁₄) is deuterium labeled Thymidine (HY-N1150). Thymidine, a specific precursor of deoxyribonucleic acid, is used as a cell synchronizing agent. Thymidine is a DNA synthesis inhibitor that can arrest cell at G1/S boundary, prior to DNA replication.

HY-N1150S11

Thymidine-13C10
Thymidine- ¹³C₁₀ (DThyd- ¹³C₁₀; NSC 21548- ¹³C₁₀) is ¹³C-labeled Thymidine (HY-N1150). Thymidine, a specific precursor of deoxyribonucleic acid, is used as a cell synchronizing agent. Thymidine is a DNA synthesis inhibitor that can arrest cell at G1/S boundary, prior to DNA replication.

HY-N7064S

Iminostilbene-d4
Iminostilbene-d₄ is deuterium labeled Iminostilbene. Iminostilbene is a a chemical precursor of carbamazepine[1].

HY-N0354S

Anthraquinone-d8
Anthraquinone-d₈ is the deuterium labeled Anthraquinone[1]. Anthraquinone is used as a precursor for dye formation.

HY-Y0932S

Isophorone-d5
Isophorone-d₅ is the deuterium labeled Isophorone. Isophorone, an α,β-unsaturated cyclic ketone, is used as a precursor to polymers[1].

HY-W010256S

D-Xylulose-1-13C
D-Xylulose-1- ¹³C is the ¹³C labeled D-Xylulose. D-xylulose is a precursor of the pentiol D-arabi[1][2].

HY-W010256S1

D-Xylulose-2-13C
D-Xylulose-2- ¹³C is the ¹³C labeled D-Xylulose. D-xylulose is a precursor of the pentiol D-arabi[1][2].

HY-N0733S

Glucosamine-13C hydrochloride
Glucosamine- ¹³C (hydrochloride) is the ¹³C labeled Glucosamine hydrochloride. Glucosamine hydrochloride (D-Glucosamine hydrochloride) is an amino sugar and a prominent precursor in the biochemical synthesis of glycosylated proteins and lipids, is used as a

HY-N0733S4

Glucosamine-15N hydrochloride
Glucosamine- ¹⁵N (hydrochloride) is the ¹⁵N labeled Glucosamine hydrochloride. Glucosamine hydrochloride (D-Glucosamine hydrochloride) is an amino sugar and a prominent precursor in the biochemical synthesis of glycosylated proteins and lipids, is used as a

HY-Y1354S

Dimethylamine-d6 hydrochloride
Dimethylamine-d₆ (hydrochloride) is a deuterium labeled Dimethylamine hydrochloride. Dimethylamine hydrochloride is the immediate precursor of dimethylnitrosamine, a known potent carcinogen in a wide variety of animal species[1].

HY-W010098S

Terephthalic acid-d4
Terephthalic acid-d₄ is the deuterium labeled Terephthalic acid. Terephthalic acid is one isomer of the three phthalic, a precursor to the polyester PET, used to make clothing and plastic bottles.

HY-Y0932S1

Isophorone-d8
Isophorone-d₈ is the deuterium labeled Isophorone[1]. Isophorone, an α,β-unsaturated cyclic ketone, is used as a precursor to polymers[2].

HY-126050S

(R)-Pantetheine-15N
(R)-Pantetheine- ¹⁵N (Pantetheine- ¹⁵N) is the ¹⁵N labeled (R)-Pantetheine (HY-126050). (R)-Pantetheine is the biosynthetic precursor to CoA .

HY-W010098S1

Terephthalic acid-13C2
Terephthalic acid- ¹³C₂ is the ¹³C-labeled Terephthalic acid. Terephthalic acid is one isomer of the three phthalic, a precursor to the polyester PET, used to make clothing and plastic bottles.

HY-N0623S

L-Tryptophan-d5
L-Tryptophan-d₅ 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-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-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-N0733S1

Glucosamine-2-13C hydrochloride
Glucosamine-2- ¹³C (hydrochloride) is the ¹³C labeled Glucosamine hydrochloride. Glucosamine hydrochloride (D-Glucosamine hydrochloride) is an amino sugar and a prominent precursor in the biochemical synthesis of glycosylated proteins and lipids, is used as

HY-N0733S3

Glucosamine-6-13C hydrochloride
Glucosamine-6- ¹³C (hydrochloride) is the ¹³C labeled Glucosamine hydrochloride. Glucosamine hydrochloride (D-Glucosamine hydrochloride) is an amino sugar and a prominent precursor in the biochemical synthesis of glycosylated proteins and lipids, is used as

HY-114202S

delta-Valerobetaine-d9 chloride
delta-Valerobetaine-d₉ chlorideis the deuterium labeleddelta-Valerobetaine(HY-114202) . delta-Valerobetaine is a precursor of trimethylamine N-oxide (TMAO) .

HY-113279S

7-Dehydrocholesterol-d7
7-Dehydrocholesterol-d₇ is the deuterium labeled 7-Dehydrocholesterol. 7-Dehydrocholesterol is biosynthetic precursor of cholesterol and vitamin D3[1][2].

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-N0623S2

L-Tryptophan-13C11
L-Tryptophan- ¹³C₁₁ 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-N0623S8

L-Tryptophan-15N2
L-Tryptophan- ¹⁵N₂ 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-N0733S2

Glucosamine-13C,15N hydrochloride
Glucosamine- ¹³C, ¹⁵N (hydrochloride) is the ¹³C and ¹⁵N labeled Glucosamine hydrochloride. Glucosamine hydrochloride (D-Glucosamine hydrochloride) is an amino sugar and a prominent precursor in the biochemical synthesis of glycosylated proteins and lipids, i

HY-N0733S5

Glucosamine-13C6,15N hydrochloride
Glucosamine- ¹³C₆, ¹⁵N (hydrochloride) is the ¹³C and ¹⁵N labeled Glucosamine hydrochloride. Glucosamine hydrochloride (D-Glucosamine hydrochloride) is an amino sugar and a prominent precursor in the biochemical synthesis of glycosylated proteins and lipids,

HY-N0305S

5-Aminolevulinic acid-15N hydrochloride
5-Aminolevulinic acid- ¹⁵N (hydrochloride) is the ¹⁵N-labeled 5-Aminolevulinic acid (hydrochloride). 5-Aminolevulinic acid hydrochloride (5-ALA hydrochloride) is an intermediate in heme biosynthesis in the body and the universal precursor of tetrapyrroles.

HY-N0623S3

L-Tryptophan-1-13C
L-Tryptophan-1- 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-B0158S4

Cytidine-d1
Cytidine-d is the deuterium labeled Cytidine. Cytidine is a pyrimidine nucleoside and acts as a component of RNA. Cytidine is a precursor of uridine. Cytidine controls neuronal-glial glutamate cycling, affecting cerebral phospholipid metabolism, catechol

HY-N0623S10

L-Phenylalanine,Indole-15N
L-Phenylalanine,Indole- ¹⁵N is the ¹⁵N labeled L-Tryptophan[1]. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3[2].

HY-Y0479S3

L-Lactic acid-2-13C1
L-Lactic acid-2- ¹³C₁ is the ¹³C-labeled L-Lactic acid. L-Lactic acid is a buildiing block which can be used as a precursor for the production of the bioplastic polymer poly-lactic acid.

HY-B0158S1

Cytidine-13C
Cytidine- ¹³C is the ¹³C labeled Cytidine. Cytidine is a pyrimidine nucleoside and acts as a component of RNA. Cytidine is a precursor of uridine. Cytidine controls neuronal-glial glutamate cycling, affecting cerebral phospholipid metabolism, catecholamine

HY-113224S

Desmosterol-d6
Desmosterol-d₆ is the deuterium labeled Desmosterol. Desmosterol is a molecule similar to cholesterol. Desmosterol is the immediate precursor of cholesterol in the Bloch pathway of cholesterol biosynthesis. Desmosterol, as an endogenous metabolite, used to study cholesterol metabolism[1].

HY-B0158S3

Cytidine-d2-1
Cytidine-d₂-1 is the deuterium labeled Cytidine. Cytidine is a pyrimidine nucleoside and acts as a component of RNA. Cytidine is a precursor of uridine. Cytidine controls neuronal-glial glutamate cycling, affecting cerebral phospholipid metabolism, catech

HY-N0623S4

L-Tryptophan-13C11,15N2
L-Tryptophan- ¹³C₁₁, ¹⁵N₂ is the ¹³C- and ¹⁵N-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3[1].

HY-W021448S1

Glycocyamine-15N,13C2
Glycocyamine- ¹⁵N, ¹³C₂ is the ¹³C and ¹⁵N labeled Glycocyamine[1]. Glycocyamine (Guanidinoacetic acid), a precursor of creatine, is a replacement of dietary arginine and could support overall energy homeostasis of the bird[2].

HY-N7032S

Uridine 5′-diphosphoglucose-13C disodium
Uridine 5′-diphosphoglucose- ¹³C (disodium) is the ¹³C labeled Uridine 5′-diphosphoglucose disodium salt. Uridine 5′-diphosphoglucose disodium salt (UDP-D-Glucose disodium salt) is the precursor of glucose-containing oligosaccharides, polysaccharides, glycop

HY-B0158S2

Cytidine-13C-1
Cytidine- ¹³C-1 is the ¹³C labeled Cytidine. Cytidine is a pyrimidine nucleoside and acts as a component of RNA. Cytidine is a precursor of uridine. Cytidine controls neuronal-glial glutamate cycling, affecting cerebral phospholipid metabolism, catecholami

HY-N0305S2

5-Aminolevulinic acid-13C hydrochloride
5-Aminolevulinic acid- ¹³C (hydrochloride) is the ¹³C labeled 5-Aminolevulinic acid hydrochloride[1]. 5-Aminolevulinic acid hydrochloride (5-ALA hydrochloride) is an intermediate in heme biosynthesis in the body and the universal precursor of tetrapyrroles[2][3].

HY-N0623S6

L-Tryptophan-15N2,d8
L-Tryptophan- ¹⁵N₂,d₈ is the deuterium and ¹⁵N-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3[1].

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-D0186S5

2'-Deoxyuridine-d
2'-Deoxyuridine-d is the deuterium labeled 2'-Deoxyuridine. 2'-Deoxyuridine could increase chromosome breakage and results in a decreased thymidylate synthetase activity. A known use of 2'-Deoxyuridine is as a precursor in the synthesis of Edoxud[1]<

HY-W013636S3

2-Ketoglutaric acid-13C

2-Ketoglutaric acid- ¹³C (Alpha-Ketoglutaric acid- ¹³C) is a ¹³C labeled 2-Ketoglutaric acid (HY-W013636) . 2-Ketoglutaric acid (Alpha-Ketoglutaric acid) is an intermediate in the production of ATP or GTP in the Krebs cycle. 2-Ketoglutaric acid also acts as the major carbon skeleton for nitrogen-assimilatory reactions. 2-Ketoglutaric acid is a reversible inhibitor of tyrosinase (IC₅₀=15 mM) .

HY-W006057AS1

Sodium 3-methyl-2-oxobutanoate-d1 hydrate
Sodium 3-methyl-2-oxobutanoate-d hydrate is the deuterium labeled Sodium 3-methyl-2-oxobutanoate. Sodium 3-methyl-2-oxobutanoate is a precursor of pantothenic acid in Escherichia coli[1][2][3].

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