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

Amino acids

Amino acids (52):

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-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-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-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-W015370R
    L-Lysine hydrate (Standard) 39665-12-8 ≥98%
    Squalane (Standard) is the analytical standard of Squalane. This product is intended for research and analytical applications. Squalane, found in certain fish oils (especially shark liver oil), and some vegetable oils, is a saturated derivative of Squalene. Squalane shows anticancer, antioxidant, skin hydrating, and emollient activities.
    L-Lysine hydrate (Standard)
  • HY-N2362R
    DL-Alanine (Standard) 302-72-7 ≥98%
    Cucurbitacin IIb (Standard) is the analytical standard of Cucurbitacin IIb. This product is intended for research and analytical applications. Cucurbitacin IIb is an active component isolated from Hemsleya amabilis, induces apoptosis with anti-inflammatory activity. Cucurbitacin IIb inhibits phosphorylation of STAT3, JNK and Erk1/2, enhances the phosphorylation of IκB and NF-κB (p65), blocks nuclear translocation of NF-κB (p65) and decreases mRNA levels of IκBα and TNF-α.
    DL-Alanine (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-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-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-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-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-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-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-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-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-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)
  • HY-N0229R
    L-Alanine (Standard) 56-41-7 ≥98%
    L-Alanine (Standard) is the analytical standard of L-Alanine. This product is intended for research and analytical applications. 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. In Vitro: The viability of both hiPSCs, 201B7 cells and ehiPSCs decrease with an increase in L-Alanine concentration, and reach 7.5±1.3% and 3.7±0.7% respectively at 1.2 M of L-Alanine. On the other hand, no decrease in the viability of hFBs and hSkMCs are observed. Although the viability of iCMs slightly decreases along with the increase of the L-Alanine concentration, viability of iCMs at 1.2 M concentration of L-Alanine, 49.4±6.9%, is significantly higher than that of undifferentiated iPSCs, 201B7 cells and ehiPSCs (p< 0.01). The viability of hiPSCs, 201B7 cells and ehiPSCs, drastically decrease even after 2 or 4 h treatment. In contrast, the viability of hFBs fails to decrease at 1, 2, and 4 h and shows a small decrease at 24 h treatment. The viability of 201B7 cells in suspension culture decreases to 11.8±6.0% following treatment with 1.2 M L-Alanine for 2 h, whereas that of hFBs is 72.9±14.2%.
    L-Alanine (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-W010388R
    Creatine (Standard) 57-00-1 ≥98%
    Creatine (Standard) is the analytical standard of Creatine. This product is intended for research and analytical applications. Creatine, an endogenous amino acid derivative, plays an important role in cellular energy, especially in muscle and brain.
    Creatine (Standard)