l leucyl l leucine methyl ester hydrobromide

(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.

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.

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

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

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.

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

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 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.

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

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.

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

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.

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

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

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

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

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

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

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.

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.

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

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.

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

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

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

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-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.

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-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.

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-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-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).

N-Acetyl-L-tryptophan (N-acetyltryptophan) is an inhibitor of neurokinin 1 receptor (NK1-receptor, NK1R).

L-Citronellol ((S)-(-)-beta-Citronellol) is a small molecule compound isolated from geranium with antifungal activity, affecting fungal membranes.L-Citronellol acts synergistically with amphotericin B against Candida yeast.

L-Cycloserine ((-)-Cycloserine) irreversibly inhibits GABA pyridoxal 5′-phosphate-dependent aminotransferase in E. coli, as well in the brains of various animals, results in increased levels of gamma-aminobutyric acid (GABA), which is an inhibitory neurotransmitter in vivo.

N-Cbz-L-Leucine (N-[(Phenylmethoxy)carbonyl]-L-leucine) is a leucine derivative, a commonly used amino acid protecting group.

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

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.

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

1. L-Arginine (L-Arg) exhibits anti-atherosclerotic effect. 2. L-Arginine and soy enriched diet are effective in prevention of osteoporosis associated with diabetes mellitus. 3. Exogenous L-Arginine could enhance neonate lymphocyte proliferation through an interleukin-2-independent pathway. 4. A combination of oral L-citrulline and L-Arginine effectively and rapidly augments NO-dependent responses at the acute stage.

O-Phospho-L-serine (Phosphoserine) is the phosphoric acid ester of serine.

L-Ornithine hydrochloride ((S)-2,5-Diaminopentanoic acid) has an antifatigue effect by increasing the efficiency of energy consumption and promoting the excretion of ammonia. It is one of the key reactants in the urea cycle.

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.