Aminoacids and derivatives

Applications Serotonin-13C215N Hydrochloride, is a labelled Serotonin (S274980). Serotonin is a monoamine neurotransmitter.

Applications A Glycine (G615990) ester used as parakeratosis inhibitor and external composition for skin.
References Pucci, B., et al.: Eur. Polymer J., 26, 731 (1990),

Applications O-Methyl-3,3',5,5'-tetraiodothyronamine is a derivative of p-Tyramine (T898500); an adrenergic.
References Brandacher, G., et al.: Curr. Drug Metab., 8, 289 (2007); Oresic, M., et al.: J. Exp. Med., 205, 2975 (2008)

Stability Hygroscopic
Applications Indole-3-acetyl-L-aspartic Acid is an indole-3-acetyl-amino acid conjugate involved in regulatory mechanisms for the control of auxin activity during physiological and pathophysiological responses.
References Ostrowski, M., et al.: J Plant Physiol, 191, 63-72 (2016)

Applications 1-Methyl-D-tryptophan is used in biological studies to determine the effect of IDO2 enzyme (indoleamine-(2,3)-dioxygenase) activity and IDO2-mediated arrest of human T cell proliferation. It reverses IDO-mediated immune suppression
References Qian, F., et al.: Cancer Immunology Immunothrapy, 61, 2013 (2012)

Stability Unstable in Solution
Applications (S)-(-)-Carbidopa is a peripheral decarboxylase inhibitor that is commonly used in combination with L-DOPA (D533751) for treatment of Parkinsonism. S(-)-Carbidopa ( has also been shown to prolong the elimination half-life of L-DOPA from blood plasma and skeletal muscle.
References Henry, G.M. et al.: Psychosom. Med., 38, 95 (1976); Leguire, L.E. et al.: Invest. Ophthalmol. Vis. Sci. 34, 3090 (1993); Deleu, D. et al.: Naun. Schmied. Arch. Pharmacol. 348: 576 (1993);

Applications N-Carbobenzoxy-S-phenyl-L-cysteine methyl ester is used in the preparation of γ-amino β-ketoesters by cross-Claisen condensation of α-amino acid derivatives with alkyl acetates.
References Honda, Y., et al.: Tetrahedron, Lett., 44, 3163 (2003);

Applications Glycine-d2, is the labeled analogue of Glycine (G615990), a non-essential amino acid for human development. Glycine is an inhibitory neurotransmitter in spinal cord, allosteric regulator of NMDA receptors.
References Scott, D., et al.: J. Neurosci., 21, 3063 (2001); Laube, B., et al.: Neuropharmacology, 47, 994 (2004); Papadakis, M., et al.: J. Biol. Chem., 279, 14703 (2004), Chen, P., et al.: Mol. Pharmacol., 67, 1470 (2005), Wolosker, H., et al.: Mol. Neurobiol., 36, 152 (2007);

Applications Labelled cis-Tranexamic Acid (T714500). Antifibrinolytic agent; blocks lysine binding sites of plasminogen. Hemostatic.
References Andersson, et al.: Scand. J. Haematol. 2, 230 (1965), Melander, B., et al.: Acta Pharmacol. Toxicol., 22, 340 (1965), Bonnar, J., et al.: Br. Med. J., 313, 579 (1996), Dunn, C.J., et al.: Drugs, 57, 1005 (1999),

Applications A labelled metabolite of Tryptophan (T947200).
References da Prada, M., et al.: Biochem. Pharmacol., 14, 1721 (1965), Curzon, G., et al.: Br. J. Pharmacol., 63, 627 (1978), Fukumori, R., et al.: J. Pharm. Pharmacol., 33, 586 (1981), Aasmoe, L., et al.: Biochem. Pharmacol., 57, 1067 (1999), Karamanakos, P., et al.: Pharmacol. Toxicol., 88, 106 (2001),

Applications L-Histidine Monohydrochloride Monohydrate is a histamine precursor via histidine decarboxylase. Also, they are grown as crystals which possesses anti-bacterial activity.
References Chandra, J. S., et al.: World J. Pharm. Res., 4, 1408-1429 (2015)

Applications Carbidopa Monohydrate (cas# 38821-49-7) is a useful research chemical.