2. Reference Standards
  3. Natural Product Standards
  4. Amino acids

Amino acids

Amino acids (54):

Cat. No. Product Name CAS No. Purity Chemical Structure
  • HY-N0390R
    L-Glutamine (Standard) 56-85-9 ≥98%
    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.
    L-Glutamine (Standard)
  • HY-14608R
    L-Glutamic acid (Standard) 56-86-0 ≥98%
    L-Glutamic acid (Standard) is the analytical standard of L-Glutamic acid. This product is intended for research and analytical applications. L-Glutamic acid is an excitatory amino acid neurotransmitter that acts as an agonist for all subtypes of glutamate receptors (metabolic rhodophylline, NMDA, and AMPA). L-Glutamic acid has an agonist effect on the release of DA from dopaminergic nerve endings. L-Glutamic acid can be used in the study of neurological diseases. IC50 & Target:DA. In Vitro: L-Glutamic acid (120, 500, 750, 1000 mg/dL) can reduce the harmful effect of lithium on the embryonic development of Xenopus Xenopus.
    L-Glutamic acid (2, 5, 10, 20 mM, 24-48 h) can induce neuroexcitotoxicity in neuroblastoma.
    In Vivo: L-Glutamic acid (3 g/kg, subcutaneous injection) can promote excitotoxic degeneration of retinal ganglion cells in mice.
    L-Glutamic acid (750 mg/kg, intraperitoneal injection) can reduce and inhibit oxidative stress induced by chlorpyrifos (CPF) in rats.
    L-Glutamic acid (Standard)
  • HY-N0391R
    L-Citrulline (Standard) 372-75-8 99.89%
    L-Citrulline (Standard) is the analytical standard of L-Citrulline. This product is intended for research and analytical applications. L-Citrulline is an amino acid derived from ornithine in the catabolism of proline or glutamine and glutamate, or from l-arginine via arginine-citrulline pathway.
    L-Citrulline (Standard)
  • HY-N0455R
    L-Arginine (Standard) 74-79-3 ≥98%
    L-Arginine (Standard) is the analytical standard of L-Arginine. This product is intended for research and analytical applications. L-Arginine ((S)-(+)-Arginine) is the substrate for the endothelial nitric oxide synthase (eNOS) to generate NO. L-Arginine is transported into vascular smooth muscle cells by the cationic amino acid transporter family of proteins where it is metabolized to nitric oxide (NO), polyamines, or L-proline. L-Arginine is a potent vasodilator, and can be used to induce experimental acute pancreatitis.
    L-Arginine (Standard)
  • HY-N0650R
    L-Serine (Standard) 56-45-1 ≥98%
    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.
    L-Serine (Standard)
  • HY-B1000R
    Selenomethionine (Standard) 1464-42-2 ≥98%
    Selenomethionine (Standard) is the analytical standard of Selenomethionine. This product is intended for research and analytical applications. Selenomethionine is a naturally occurring amino acid containing selenium that has oral activity and is a common natural food source. Selenomethionine has antitumor activity[1][2][3].
    Selenomethionine (Standard)
  • HY-13694R
    Methionine (Standard) 348-67-4 ≥98%
    Methionine (Standard) is the analytical standard of Methionine. This product is intended for research and analytical applications. Methionine (MRX-1024; D-Methionine) is an effective chemoprotective agent which can also inhibit the neuronal activity through GABAA receptor activation.
    Methionine (Standard)
  • HY-N0666BR
    Aspartic acid calcium (Standard) 10389-09-0 ≥98%
    4-epi-Chlortetracycline (hydrochloride) (Standard) is the analytical standard of 4-epi-Chlortetracycline (hydrochloride). This product is intended for research and analytical applications. 4-epi-Chlortetracycline hydrochloride is an epimetabolite of Chlortetracycline hydrochloride. Chlortetracycline hydrochloride is an orally active, potent and selective inhibitor of methanogenic bacteria with bactericidal effect.
    Aspartic acid calcium (Standard)
  • HY-N0717R
    L-Valine (Standard) 72-18-4 ≥98%
    L-Valine (Standard) is the analytical standard of L-Valine. This product is intended for research and analytical applications. L-Valine (Valine) is a new nonlinear semiorganic material. L-Valine standrd causes lipid peroxidation and accumulation of malondialdehyde (MDA), exhibits inhibitory activity against cyanobacteria. L-Valine standrd inhibits multidrug-resistant bacteria through activation of PI3K/Akt signaling pathway and inhibition of arginase.
    L-Valine (Standard)
  • HY-N0486R
    L-Leucine (Standard) 61-90-5 ≥98%
    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.
    L-Leucine (Standard)
  • HY-Y0252R
    L-Proline (Standard) 147-85-3 ≥98%
    L-Proline (Standard) is the analytical standard of L-Proline. This product is intended for research and analytical applications. L-Proline is one of the twenty amino acids used in living organisms as the building blocks of proteins.
    L-Proline (Standard)
  • HY-N0771R
    L-Isoleucine (Standard) 73-32-5 ≥98%
    L-Isoleucine (Standard) is the analytical standard of L-Isoleucine. This product is intended for research and analytical applications. L-Isoleucine is an orally active branched chain amino acid, which is the L-enantiomer of isoleucine. L-Isoleucine has a role as a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite, a plant metabolite, a human metabolite, an algal metabolite and a mouse metabolite. L-Isoleucine regulates the inflammatory response to protect against pathogens in vivo and in vitro.
    L-Isoleucine (Standard)
  • HY-Y0337R
    L-Cysteine (Standard) 52-90-4 ≥98%
    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.
    L-Cysteine (Standard)
  • HY-N0215R
    L-Phenylalanine (Standard) 63-91-2 ≥98%
    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.
    L-Phenylalanine (Standard)
  • HY-N0473R
    L-Tyrosine (Standard) 60-18-4 ≥98%
    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.
    L-Tyrosine (Standard)
  • HY-N0666R
    L-Aspartic acid (Standard) 56-84-8 ≥98%
    L-Aspartic acid (Standard) is the analytical standard of L-Aspartic acid. This product is intended for research and analytical applications. L-Aspartic acid is is an amino acid, shown to be a suitable proagent for colon-specific agent deliverly.
    L-Aspartic acid (Standard)
  • HY-101037R
    Sarcosine (Standard) 107-97-1 ≥98%
    Sarcosine (Standard) is the analytical standard of Sarcosine. This product is intended for research and analytical applications. Sarcosine (N-Methylglycine), an endogenous amino acid, is a competitive glycine transporter type I (GlyT1) inhibitor and N-methyl-D-aspartate (NMDA) receptor co-agonist. Sarcosine increases the glycine concentration, resulting in an indirect potentiation of the NMDA receptor. Sarcosine is commonly used for the research of schizophrenia.
    Sarcosine (Standard)
  • HY-B1716R
    L-5-Hydroxytryptophan (Standard) 4350-09-8 ≥98%
    L-5-Hydroxytryptophan (Standard) is the analytical standard of L-5-Hydroxytryptophan. This product is intended for research and analytical applications. L-5-Hydroxytryptophan (L-5-HTP), a naturally occurring amino acid and a dietary supplement for use as an antidepressant, appetite suppressant, and sleep aid, is the immediate precursor of the neurotransmitter serotonin and a reserpine antagonist. L-5-Hydroxytryptophan (L-5-HTP) is used to treat fibromyalgia, myoclonus, migraine, and cerebellar ataxia.
    L-5-Hydroxytryptophan (Standard)
  • HY-N0469R
    L-Lysine (Standard) 56-87-1 ≥98%
    L-Lysine (Standard) is the analytical standard of L-Lysine. This product is intended for research and analytical applications. 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. IC50 & Target:L-lysine (150 mg/kg) promotes, but not initiates, bladder cancer. The administration of L-lysine to rats submitted to colovesical cystoplasty accelerates the development of transitional metaplasia of the intestinal epithelium.
    L-lysine (10 mg/kg) treatment attenuates pancreatic tissue injury induced by L-arginine by inhibiting the release of the inflammatory cytokine IL-6 and enhance antioxidant activity. In Vivo:L-lysine (10?mg/kg, p.o., pre-treated or post-treated, administration duration 15 days) treatment attenuates pancreatic tissue injury induced by L-arginine by inhibiting the release of the inflammatory cytokine IL-6 and enhance antioxidant activity in acute pancreatitis mice model. L-lysine (5 or 10?mg/kg, p.o., 45 days) ameliorates sepsis-induced acute lung injury in a lipopolysaccharide (HY-D1056)-induced mouse model.
    L-Lysine (Standard)
  • HY-101409R
    O-Acetylserine (Standard) 5147-00-2 ≥98%
    O-Acetylserine (Standard) is the analytical standard of O-Acetylserine. This product is intended for research and analytical applications. O-Acetylserine (O-Acetyl-L-serine) is an intermediate in the biosynthesis of the amino acid cysteine in bacteria and plants.
    O-Acetylserine (Standard)