Amino Acids (AA)

Applications L-Thioproline is used to create a monolayer on gold electrodes for the determination Copper(II). L-Thioproline has shown to be an effect inhibitor of proline absorption in Saccharomyces chevalieri.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Cui, X., et. al.: Sci. China Chem., 53, 257 (2010); Magana-Schwenchke, N., Schwencke, J.: BBA-Biomembranes, 173, 313 (1969)

Applications DMTMM, a conjugating agent that efficiently conjugat PnPS to Luminex microspheres without affecting the antigenicity of a broad set of PnPS.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Wrzesien, J. & Graham, D.: Tetrahedron, 68, 1230 (2012); Schlottmann, S. et al.: J. Im. Meth., 309, 75 (2006)

Applications 2-Amino-5-cyano-3-methylbenzoic Acid (cas# 871239-18-8) is a useful research chemical.

Impurity Cefalexin EP Impurity D
Applications 3-Hydroxy-4-methyl-2(5H)-thiophenone (Cefalexin EP Impurity D) is an acid degradation product of Cephalexin (C256800) and Cefaclor (C235250), antibiotics.
References Dinner, A.: J. Med. Chem. 20, 963 (1977); Baetschi, S.W., et. al.: J. Pharmaceut., Sci., 86, 526 (1997)

Applications Deuterated Repaglinide, a non-sulfonylurea oral hypoglycemic agent which is used as an antidiabetic.
References Wolffenbuttel, B.H.R., et al.: Eur. J. Clin. Pharmacol., 45, 113 (1993), Ampudia-Blasco, F.J., et al.: Diabetologia, 37, 703 (1994),

Applications L-Cystine Bis(T-butyl Ester) Dihydrochloride is used as a reagent in the synthesis of chelate oxorhenium to create new integrin antagonists.
References Le Gal, J., et al.: J. Inorg. Biochem., 105, 880 (2011);

Applications D,L-β-Chloroalanine Methyl Ester Hydrochloride (cas# 33646-31-0) is a compound useful in organic synthesis.

Stability Hygroscopic
Applications Hexanoyl-L-carnitine-(N-methyl-d3) Chloride, is the labeled analogue of Hexanoyl-L-carnitine Hydrochloride (H294440), which is used as reactant in the synthesis of carnitine benzyl esters as prodrugs.
References Gong, X., et. al.: J. Chem. Res., 6, 327 (2008)

Applications H-ALA-ALA-ALA-ALA-ALA-OH (cas# 10183-34-3) is a useful research chemical.

Applications A natural constituent of animal structural proteins such as collagen and elastin. Several microorganisms producing proline trans-4- and cis-3-hydroxylase were discovered and these enzymes were applied to the industrial production of trans-4- and cis-3-hydroxy-L-proline.
References Langmaier, F. et al.: Int. J. Cosm. Sci., 24, 273 (2002); Lawrence, C., et al.: Biochem. J., 313, 185 (1996); Mori, H., et al.: J. Bacteriol.; 179, 5677 (1997); Clifton, I., et al.: Eur. J. Biochem., 268, 6625 (2001);

Applications H-PRO-GLU-OH (cas# 67644-00-2) is a useful research chemical.

Applications 7-Methoxy-4-(trifluoromethyl)coumarin is a biochemical for proteomics research.

Applications 2-Ethyl-4-methyl-1-pentanol is a volatile chemical that can be used to diagnose ratoon stunting disease in Sugar cane.
References Berna, A. Z., et al.: Pro. of the Conf. of the Austr. Soc. of Sugar Cane Tech., 37th, 150-157 (2015)

Applications A reagent for high performance polymer research.
References Fouassier, J., et al.: Polymer, 36, 5005 (1995),

Applications β-Alanine-13C3,15N is the isotope labeled analogue of β-Alanine (A637320), which is a naturally occurring beta amino acid. β-Alanine is formed in vivo by the degradation of Dihydro Uracil (D449990) and Carnosine. β-Alanine is also the rate-limiting precursor of Carnosine, as a result supplementation with β-Alanine increases the concentration of Carnosine in muscles.
References Derave, W. et al.: J. Appl. Physiol., 103, 1736 (2007); Xia, J.-F. et al.: J. Chrom. B Anal. Technol. Biomed. Life Sci., 977, 1930 (2009); Artioli, G.G. et al.: Med. Sci. Sports Exer.,42, 1162 (2010);

Applications S-Methyl-L-cysteine is a substrate in the catalytic antioxidant system mediated by methionine sulfoxide reductase A (MSRA). It has been studied as a theurapeutic for neurodegenerative diseases including Parkinson′s.
References Wassef, R., et al.: J. Neurosci., 21, 12808 (2007)

Applications N-Butyl-N-methylnitrosamine, is an nitroso impurity found in “Sartans” , a class of drugs that block the action of angiotensin.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Applications D,L-o-Tyrosine is a metabolite of Phenylalanine (P319415). A precursor in the formation of catecholamines. Used as biomarkers of protein oxidative damage in β-thalassemia.
References Tsugita, A., et al.: Eur. J. Biochem., 124, 585 (1982), Nielsen, F., et al.: Clin. Chem., 43, 1209 (1997), Mates, J., et al.: Clin. Biochem., 32, 595 (1999),

Applications L-Theanine-d5 (N-ethyl-d5) (CAS# 1217451-85-8) is the labelled version of L-Theanine (T340500(P)), which is a non-protein amino acid mainly found naturally in the green tea plant. It may have activity in modulating the metabolism of cancer chemotherapeutics agents.
References Yokohoshi, H., et al.: Neurochem Res., 23, 667 (1998), Sugiyama, T., et al.: Clin Cancer Res., 5, 413 (1999)

Applications An endogenous antidiuretic hormone in most mammalian species. It is released into the blood from nerve terminals in the posterior pituitary and median eminence. It is a neurotransmitter in the central nervous system and also implicated in a variety of physiological processes such as regulating water balance by antidiuretic action. It is a peptidic V1a receptor agonist that produces vasoconstriction via V1aR-mediated vascular smooth muscle cell contraction and is being used to increase blood pressure in septic shock, a form of vasodilatory hypotension.
References Perucca, J. et al.: J. AM. Soc. Nephrol., 19, 1721 (2008); Toba, K. et al.: Prog. Brain Res., 119, 337 (1998); Berrada, K. et al.: J. Biol. Chem., 275, 27229 (2000);

Applications 1-(3-Methoxypropyl)-4-piperidinamine is a useful synthetic intermediate in the synthesis of Prucalopride Succinate (P838950); a selective 5-HT4 receptor agonist used effective for chronic constipation, but is not currently approved in the U.S. Prucalopride is approved for the treatment of chronic constipation in Europe.
References Shah, N., et al.: Am. J. Gastroenterol., 103, 1746 (2008); McKinnell, R., et al.: J. Med. Chem., 52, 5330 (2009); Shah, N., et al.: Am. J. Gastroenterol., 103, 1746 (2008); Yuan, Y., et al.: Zhongguo Yiyao Gongye Zazhi, 43, 5 (2012)

Applications 5-Hydroxy-N-methyl-2-pyrrolidinone is a metabolite of N-methylpyrrolidone (NMP).
References Payan, J., et al.: Drug Metab. Dispos., 30, 1418 (2002), Carnerup, M., et al.: Food Chem. Toxicol., 43, 1441 (2005), Angerer, J., et al.: Toxicol. Sci., 93, 3 (2006),

Applications Used in peptide synthesis.
References Flohr, S., et al.: Chem. Eur. J., 5, 669 (1999), Kadereit, D., et al.: ChemBioChem., 1, 144 (2000), Volkert, M., et al.: Biol. Chem., 382, 1133 (2001),

Applications A labelled metabolite of Catecholamines.
References Kopin, I.J., et al.: J. Biol. Chem., 236, 2109 (1961), Short, F.W., et al.: J. Med. Pharm. Chem., 5, 642 (1962)

Impurity Repaglinide EP Impurity C/ Repaglinide USP Related Compound A
Applications Repaglinide EP Impurity C

Applications L-Threonic acid calcium salt is the salt of L-Threonic acid, a naturally occurring compound that can be found in the leaves of Pelargonium crispum. L-Threonic acid is also the degradation product of Dehydroascorbate (DHA), a metabolite of Vitamin C (A786990).
References Helsper, J. & Loewus, F.: Plant Phys., 69, 1365 (1982); Koch, C. & Biaglow, J.: J. Cell. Phys., 94, 299 (1978); Nielsen J., et al.: J. Agr. Food Chem., 49, 2998 (2001)

Applications 6-Methylquinoline, is a building block used for the synthesis of various pharmaceutical compounds, and biologically active compounds. It can be used for the preparation of pyranobenzopyrone compounds, having anti-norovirus activity.
References Pokhrel, L., et al.: bioorg. Med. Chem. Lett., 22, 3480 (2012);

Applications Zinc Glycinate is used in the preparation of hydroxy acid complexes used in skin antiaging, acne and skin whitening formulations.

Applications 2-Methyl-5-nitroaniline is used as a reagent in the synthesis of imatinib base derivatives which show antibacterial and antifungal activity. Also used as a reagent in the synthesis of pyrimidinylaminobenzene derivatives which exhibit antiproliferative activity against melanoma. Dyes and metabolites, Environmental Testing. It is a COVID19-related research product.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Patoliya, M.J., et al.: J. Chem., no vol., no pp. (2013); Kim, H.J., et al.: B. Korean Chem. Soc., 34, 2311 (2013)