l leucyl l leucine methyl ester hydrochloride

L-Leucyl-L-Leucine methyl ester hydrochloride (Leu-Leu-ome hydrochloride) is a lysosomal condensation product that exhibits cytotoxicity towards natural killer cells and CD4+ and CD8+ T lymphocytes.

(L)-Sodium lactate (Sodium L-Lactate) is produced from pyruvate by the enzyme Lactate Dehydrogenase. Lactate production occurs during anaerobic glycolysis or in proliferatively active cells. L-Lactic Acid occurs in small quantities in the blood and muscle fluid of man and animals. The lactic acid concentration increases in muscle and blood after vigorous activity. L-Lactic acid is also present in liver, kidney, thymus gland, human amniotic fluid, and other organs and body fluids.

L-161982 is a selective antagonist of EP4 receptor. L-161982 could inhibit PGE2-induced ERK phosphorylation and cell proliferation of HCA-7 cells. L-161982 could alleviate collagen-induced arthritis in mice.

N-Acetyl-L-methionine (N-Acetylmethionine) is an L-methionine derivative that is nutritionally and metabolically equivalent to L-methionine. It is a superior ROS scavenger.

L-Threonic acid Calcium Salt is an anti-osteoporotic that stimulates ascorbic acid absorption and is commonly used in calcium supplements.

L-Carnitine (L(-)-Carnitine) is an amino acid derivative. L-Carnitine facilitates long-chain fatty acid entry into mitochondria, delivering substrate for oxidation and subsequent energy production. Fatty acids are utilized as an energy substrate in all tissues except the brain.

L-aspartic acid potasium salt（VX-548） is an amino acid widely found in plants and animals.L-aspartic acid potasium salt drives the production of nitrogen oxides, which promotes phagocytosis and contributes to fish survival.L-aspartic acid potasium salt may stimulate antibiotics. The stimulatory effect may be related to precursors involved in aspartic acid-4-semialdehyde biosynthesis.

3,5-Diiodo-L-tyrosine dihydrate is a natural product.

L-Cysteine hydrochloride (L-Cysteine HCl) is a conditionally essential amino acid,L-Cysteine hydrochloride suppresses ghrelin and reduces appetite in rodents and humans

3-O-Ethyl-L-ascorbic acid is a cosmetic tyrosinase inhibitor with whitening ability and is a stabilized vitamin C derivative. It also has antioxidant properties.

Methyl L-pyroglutamate (L-Pyroglutamic acid methyl ester) shows anti-inflammatory activity. Methyl L-pyroglutamate is isolated from Portulaca oleracea L..

FMOC-L-1,2,3,4-TETRAHYDRONORHARMAN-3-CAR (Fmoc-Tpi-OH) is a derivative of THN.

L-Cysteine hydrochloride hydrate (L-Cysteine hydrochloride monohydrate) is a conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), taurine and glutathione. L-Cysteine hydrochloride hydrate suppresses ghrelin and reduces appetite in rodents and humans.

L-(R,S)-Tetrahydropalmatine (Rotundine) is extracted from Corydalis yanhusuo W. T. Wang.

L-Threonic acid magnesium salt (L-TAMS) increases synapse density and memory ability in both aged rats and late stage Alzheimer’s disease (AD) model mice.

Boc-L-aspartic acid 4-benzyl ester (Boc-Asp(OBzl)-OH) is an aspartic acid derivative.

2-O-α-D-Glucopyranosyl-L-ascorbic Acid (ASCORBYL GLUCOSIDE), a glucoside derivative of ascorbic acid, exhibits anti-cancer properties upon enzymatic conversion to ascorbic acid.

L-Tartaric acid ((2R,3R)-(+)-Tartaric acid) occurs naturally in many plants, particularly grapes and tamarinds, and is one of the main acids found in wine. It is used as an antioxidant. Salts of tartaric acid are known as tartrates. L-Tartaric acid is a muscle toxin, which works by inhibiting the production of malic acid, and in high doses causes paralysis and death.

L-Histidine (L-(-)-Histidine) is a semi-essential amino acid (children should obtain it from food) needed in humans for growth and tissue repair, L-Histidine is important for maintenance of myelin sheaths that protect nerve cells and is metabolized to the neurotransmitter histamine. Histamines play many roles in immunity, gastric secretion, and sexual functions. L-Histidine is also required for blood cell manufacture and protects tissues against damage caused by radiation and heavy metals.

L-Arabinopyranose (Pectinose) is an aldopentose, including an aldehyde (CHO) functional group.

α-L-Rhamnose monohydrate (6-deoxy-L-mannose monohydrate) is a component of bacterial polysaccharides where it plays an important role in pathogenicity.

L-Xylose (L-(-)-Xylose), a levo-isomer of Xylose, is classified as an aldopentose-type monosaccharide.

L(+)-Asparagine monohydrate is a non-essential amino acid, participate in neurological and metabolic regulation of tissue cell function.

L-Ornithine L-aspartate (Ornithine Aspartate) lowers blood ammonia concentration and to eliminate symptoms of hepatic encephalopathy associated with liver cirrhosis.

L-Serine (serine) is a non-essential amino acid in humans, L-Serine is present and functionally important in many proteins.L-Serine is also found at the active site of the serine protease enzyme class that includes trypsin and chymotrypsin.

L-Glutamine (L-Glutamic acid 5-amide), a non-essential amino acid, is synthesized from glutamic acid and ammonia.

L-Glucose (L-(-)-Glucose), an enantiomer of D-glucose, is not bioavailable to cells as an energy source because it cannot be phosphorylated by hexokinase.

L-Lysine hydrochloride, an essential amino acid for humans, offers numerous benefits including the treatment of herpes, reduction of diabetes-related illnesses, enhanced calcium absorption, and improved gut health.

S-Adenosyl-L-methionine disulfate tosylate (Ademetionine disulfate tosylate) is the disulfate-tosylate mixed salt comprising diastereoisomers of ademetionine ions. Ademetionine exhibits anti-inflammatory properties and has been utilized in the treatment of chronic liver disease.

L-Aspartic acid (Aspatofort) is a non-essential amino acid in humans, L-Aspartic acid has an overall negative charge and plays an important role in the synthesis of other amino acids and in the citric acid and urea cycles. Asparagine, arginine, lysine, methionine, isoleucine, and some nucleotides are synthesized from aspartic acid. L-Aspartic acid also serves as a neurotransmitter.

L-Homoserine ((S)-(-)-2-AMINO-4-HYDROXYBUTYRIC ACID) is a more reactive variant of the amino acid serine. In this variant, the hydroxyl side chain contains an additional CH2 group which brings the hydroxyl group closer to its own carboxyl group, allowing it to chemically react to form a five-membered ring. This occurs at the point that amino acids normally join to their neighbours in a peptide bond. L-Homoserine is therefore unsuitable for forming proteins and has been eliminated from the repertoire of amino acids used by living things. L-Homoserine is the final product on the C-terminal end of the N-terminal fragment following a cyanogen bromide cleavage.

L-Cyclohexylalanine (L-3-Cyclohexylalanine) is an amino acid analog that binds to the heavy enzyme thioester of the short peptide S synthase.L-Cyclohexylalanine can be used to synthesize anticoagulant decapeptides.

Homocystine is the double-bonded form of homocysteine, but it occurs only transiently before being converted to the harmless cystathionine via a vitamin B6-dependent enzyme. Increasing evidence supports a role for an elevation of homocysteine in schizophr

(S)-3-Phenyl-2-(pyrazine-2-carboxamido)propanoic acid is a biochemical reagent that can be used in biological research.

L-Norvaline is an arginase inhibitor and a non-protein branched-chain amino acid. L-Norvaline has previously been reported as a natural component of the antifungal peptide of Bacillus subtilis. L-Norvaline and other modified branched-chain amino acids have received attention in recent studies because they appear to be incorporated into some recombinant proteins found in E. coli.

L-Cysteic acid monohydrate (3-Sulfo-L-alanine Monohydrate) is an oxidation product of L-cysteine that may be used as a competitive inhibitor of the bacterial aspartate: alanine antiporter (AspT) exchange of aspartate and in other aspartate biological systems. L-Cysteic acid monohydrate is used in monomeric surfactant development. L-Cysteic acid monohydrate may be used in studies of excitatory amino acids in the brain, such as those that bind to cysteine sulfinic acid receptors. It is a useful agonist at several rat metabotropic glutamate receptors (mGluRs).

L-Sophoridine (Matridin-15-one) , a natural product obtained from medicinal plants, which has a variety of pharmacological effects, including anti-Y effects, and selectively induces apoptotic cell death in a variety of human Y cells in vitro and in vivo; however, its mechanism of action needs to be further elaborated.

L-Proline (proline) is a nonessential amino acid in humans. It is an essential component of collagen and is important for proper functioning of joints and tendons. It also helps maintain and strengthen heart muscles.

Fmoc-L-Proline (Fmoc-Pro-OH) is a proline derivative.

L-Lactic acid ((S)-2-Hydroxypropanoic acid) is a natural product produced by the anaerobic glycolysis of pyruvic acid. L-Lactic acid is a sensitive indicator of tissue hypoxia and can be used as a hemodynamic indicator in critically ill patients.

L-Glutamic acid monosodium salt (MSG) (Monosodium glutamate) is an activator of mGlu1 receptor.

S-Sulfo-L-cysteine sodium salt shows a weak affinity for mGluR1α and mGluR5a at high concentrations and has potential antioxidant activity.

S-trityl-L-Cysteine is a non-natural amino acid and an inhibitor of Eg5, also known as KSP and Kif11, a mitotic kinesin necessary for mitotic spindle formation. S-trityl-L-Cysteine inhibits the ATPase activity of Eg5 in basal and microtubule-stimulated states (IC50s = 1,000 and 140 nM, respectively). It is selective for Eg5 over nine other human kinesins in an enzyme-coupled assay. It reversibly inhibits Eg5-driven microtubule sliding velocity with an IC50 value of 500 nM using X. laevis recombinant Eg5. It induces cell cycle arrest in HeLa cells (IC50 = 700 nM), reversibly halting the cell cycle in the mitotic phase by inhibiting the separation of duplicated chromosomes and preventing bipolar spindle formation. S-trityl-L-Cysteine inhibits the growth of cancer cells in vitro when tested against the National Cancer Institute (NCI) 60 human cancer cell line panel (average GI50 = 1.3 μM) and in mouse xenograft models.

L-SelenoMethionine (L-(+)-Selenomethionine) is a naturally occurring amino acid. It promotes cell cycle progression and elevates the expression of the antioxidant enzymes thioredoxin reductase, glutathione reductase.

N-Acetyl-L-phenylalanine (N-Ac-Phenylalanine) is an essential amino acid produced for medical, feed, and nutritional applications. It appears in large amount in urine of patients with phenylketonuria which is a human genetic disorder due to the lack of phenylalanine hydroxylase, the enzyme necessary to metabolize phenylalanine to tyrosine. Acetylphenylalanine is a product of enzyme phenylalanine N-acetyltransferase in the pathway phenylalanine metabolism.

L-Alaninol (2-Aminopropanol) is a pharmaceutical intermediate used in the manufacture of Ofloxacin.

p-Fluoro-L-phenylalanine is a substrate for tyrosine hydroxylase (TH) that can be used to study the regulation of that enzyme. p-Fluoro-L-phenylalanine binds to the L-leucine specific receptor of Escherichia coli with an KD of 0.26 μM.

L-Tyrosine ((S)-Tyrosine) is a naturally occurring tyrosine and is synthesized in vivo from L-phenylalanine, considered a non-essential amino acid. L-Tyrosine(L-p-Tyrosine) is the levorotatory isomer of the aromatic amino acid tyrosine.

L-Cystine dihydrochloride is an Nrf2 inducer with whitening and anti-dark spot effects.L-Cystine dihydrochloride has cytoprotective effects in cells, and is often added to various fungal cultures as a carbon source.

Acetyl-L-carnitine hydrochloride (Acetyl L-carnitine hydrochloride) is a nutritional supplement composed of the hydrochloride salt form of the acetylated form of the endogenously produced L-carnitine, with potential neuroprotective, cognitive-enhancing, anti-depressive and immunomodulating activities. It may also relieve peripheral neuropathy induced by chemotherapy, diabetes or other diseases. In addition, acetyl-L-carnitine may modulate the immune response by increasing T-lymphocytes maturation and may downregulate pro-inflammatory cytokines in response to viruses, such as SARS-CoV-2. It may also disrupt the ACE2 signaling pathway and inhibit the production of reactive oxygen species (ROS).