Amino Acids (AA)

<p>Applications Methionine-methyl-d3 is the labeled Methionine-methyl, a useful building block.<br></p>

<p>Applications 4-Chloro-benzoic Acid 1-(4-Methoxyphenyl)hydrazide Hydrochloride is a derivative of (4-Methoxyphenyl)hydrazine Hydrochloride (M265880). It is a useful synthetic intermediate for the preparation of Indomethacin (I641000); a potent, time-dependent, nonselective inhibitor of the cyclooxygenase enzymes COX-1 and COX-2.<br>References Blobaum, Anna L., et al.: ACS Med. Chem. Lett., 4(5), 486-490 (2013); Prusakiewicz, Jeffery J., et al.: Biochemistry, 43(49), 15439-15445 (2004)<br></p>

<p>Applications Important compounds in coffee aroma.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>

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

<p>Applications A proteinogenic amino acids involved in the biosynthesis of purines and pyrimidines. Inhibitor of serine palmitoyltransferase. A neuromodulator.<br>References Junjaud, G. et al.: J. Neurochem., 98, 1159 (2006); Hanada, K. et al.: FEBS Lett., 474, 63 (2000); Pollegionni, L. et al.: Cell. Mol. Life Sci., 67, 2387 (2010);<br></p>

<p>Applications α-Methyl-L-phenylalanine is used to prepare hippuryl-α-methylphenylalanine and hippuryl-α-methylphenyllactic acid as substrates for carboxypeptidase A. It is also used in the synthesis of high affinity tachykinin NK2 receptor antagonists.<br>References Lee, M., et al.: Bioorg. Med. Chem., 8, 815 (2000); Boyle, S., et al.: Bioorg. Med. Chem., 2, 101 (1994)<br></p>

<p>Applications L-Lysine-2,6,6-d3 HCl is a useful isotopically labeled compound of L-Lysine HydrochlorideDISCONTINUED PLEASE SEE L486915 (L468923)<br></p>

<p>Applications N-Acetyl-S-(2,5-dimethylbenzene)-L-cysteine-d3 (cas# 1331909-07-9) is a compound useful in organic synthesis.<br>References Gonzalez-Reche, L., et al.: Arch. Toxicol., 77, 80 (2003),<br></p>

<p>Applications Labelled analogue of L-Phenylalanine, an essential amino acid.<br>References Hollunger, G. et al.: Acta Pharmacol. Toxicol., 34, 391 (1974); Bagchi, S.P. et al.: Biochem. Pharmacol., 26, 900 (1977);<br></p>

<p>Applications L-Ornithine-2,3,3,4,4,5,5-d7 hydrochloride is the labelled analogue of L-Ornithine Hydrochloride (O695550), a non-essential amino acid for human development but is required intermediate in arginine biosynthesis. L-Ornithine is found in virtually all vertebrate tissues as well as incorporated into proteins, such as tyrocidine. Isolation from chicken excreta.<br>References Fattori, D., et al.: J. Med. Chem., 50, 550 (2007), Gomez-Alonso, S., et al.: J. Agric. Food Chem., 55, 608 (2007), Subramaniam, R., et al.: Bioorg. Med. Chem. Lett., 18, 3333 (2008),<br></p>

<p>Applications 7,10-Dichloro-2-methoxybenzo[b][1,5]naphthyridine is used in the preparation of pyronaridine.<br>References Li, J., et al.: PCT Int. Appl., 2013:1701510 (2013)<br></p>

<p>Applications N-Pivaloylglycine is used in the biological study between dogs and rats. In a high dose toxicity study of pivalic acid (PA), PA caused skeletal muscle disorder in dog, and a significant increase of pivaloyl carnitine (PC) was observed in canine muscle, but not in rat muscle.<br>References Yamaguchi, T., et al.: Toxicol. Appl. Pharmacol., 214, 61-68 (2006)<br></p>

<p>Applications A labelled marker for peroxynitrite. Oxidant and cytotoxic agent.<br>References Sekiguchi, M., et al.: Brain Res., 978, 228 (2003), van den Tweel, E., et al.: J. Neurobiol., 167, 64 (2005), Shirakura, T., et al.: Biol. Pharm. Bull., 28, 1658 (2005),<br></p>

<p>Applications 2-Deoxy-2-chloro-D-glucose is a D-Glucose (G595000) derivative used in the synthesis of sugar nucleotides and oligosaccharides.<br>References Herr, D., et al.: Euro. J. App. Microbiol., 1, 41 (1975);<br></p>

<p>Applications Cyclic propano guanine adduct DNA acetaldehyde histone.<br>References Nath, R., et al.: Cancer Res., 58, 581 (1998), Wang, M., et al.: Chem. Res., 13, 1065 (2000), Terashima, I., et al.: Biochemistry, 40, 4106 (2001), Yokoyama, A., et al.: Carcinogenesis, 23, 1851 (2002),<br></p>

<p>Applications L-Glutamic acid dibenzyl ester 4-toluenesulfonate<br></p>

<p>Impurity Piroctone USP Related Compound B<br>Applications 4-Methyl-6-(2,4,4-trimethylpentyl)-2H-pyran-2-one is used in the synthesis of antibacterials and antimycotics. Related to Piroctone (P509400), an anti-dandruff agent used in shampoo formulations. Piroctone USP Related Compound B<br>References Georgalas, A. et al.: J. Cosm. Sci., 55, S207 (2004); Mayser, P. et al.: J. Cosm. Sci., 54, 263 (2008);<br></p>

<p>Applications It is a versatile industrial solvent. NMP is currently approved for use only in veterinary pharmaceuticals. The determination of the disposition and metabolism of NMP in the rat will contribute toward understanding the toxicology of this exogenous chemical which man may likely be exposed to in increasing amounts.<br>References Southwell, D., et al.: J. Pharm. Pharmacol., 33, 3 (1981), Barry, W., et al.: J. Invest. Dermatol., 82, 49 (1984),<br></p>

<p>Applications Perfluoro-3-methoxypropanoic acid (cas# 377-73-1) is a useful research chemical.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>

<p>Applications A major metabolite of non-essential amino acid L-Cysteine.<br>References Parsons, R.B. et al.: Neurotoxicol., 19, 599 (1998);<br></p>

<p>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.<br>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)<br></p>

<p>Applications Isotope labelled Intermediate for transsulfuration whereby a mammal transfers the sulfur of methionine via homocysteine to cysteine.<br>References Thompson, J.W., et al.: J. Biol. Chem., 266, 17011 (1991), Yoshida, Y., et al.: Microbiol., 148, 3961 (2002), Jiracek, J., et al.: J. Med. Chem., 49, 3982 (2006),<br></p>

<p>Applications A metabolite of carboxylic acid.<br>References Bardsley, W., et al.: Biochem. J., 122, 557 (1971), Kim, J., et al.: Biosci. Biotechnol. Biochem., 69, 1331 (2005), Kopka, J., et al.: J. Biotechnol., 124, 312 (2006),<br></p>

<p>Applications 4-Methoxyphenylacetic Acid is a compound that was found from microbial phenolic metabolites in human feces after the consumption of gin, red wine and dealcholized red wine.<br>References Jimenez-Giron, A., et. al.: J. Arg. Food Chem., 61, 3909 (2013);<br></p>

<p>Applications 2-Methyl-d3-propyl-3,3,3-d3 Alcohol (CAS# 72182-69-5) is a useful isotopically labeled research compound.<br></p>

<p>Applications Boc-His(Trt)-OH was used in the study to prepare and study structure-activity relationship of amino acid amides as selective inhibitors for dipeptidyl peptidases.<br>References Senten, K., et al.: J. Med. Chem., 46, 5005 (2003);<br></p>

<p>Applications (2-methylphenoxy)acetic acid (cas# 1878-49-5) is a useful research chemical.<br></p>

<p>Applications 2-Methoxybenzoic Acid is used in the preparation of benzohydroxamic acids as potent and selective anti-hepatitis C virus (HCV) agents.<br>References Kozlov, M.V., et al.: Bioorg. Med. Chem. Lett., 23, 5936 (2013)<br></p>

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

<p>Applications L-Carnitine-d9 is the isotope labelled analog of L-Carnitine (C184110); an essential cofactor of fatty acid metabolism; required for the transport of fatty acids through the inner mitochondrial membrane. Synthesized primarily in the liver and kidney; highest concentrations found in heart and skeletal muscle. Dietary sources include red meat, dairy products, beans, avocado.<br>References Mitchell, M.E., et al.: Am. J. Clin. Nutr., 31, 293 (1978); Lango, R., et al.: Cardiovasc. Res., 51, 21 (2001); Vaz, F.M., et al.: Biochem. J., et al.: 361, 417 (2002); Karlic, H., et al.: Nutrition, 20, 709 (2004)<br></p>

<p>Applications L-Leucine is an essential amino acid. L-Leucine acts as a nutrient signal to stimulate protein synthesis. It has also activates the mammalian target of rapamycin kinase that regulates cell growth.<br>References Demant, T. et al.: Am. J. Physiol., 270, E1022 (1996); Diraison, F. et al.: Am. J. Physiol., 277, E529 (1999); Suryawan, A. et al.: J. Anim. Sci., 89, 2004 (2011); Peyrollier, K. et al.: Biochem. J., 350, 361 (2000);<br></p>

<p>Applications D-Glutamic acid 1-tert-butyl ester is a protected form of D-Glutamic acid (G596965). D-Glutamic acid is an unnatural isomer of L-Glutamic acid (G596960), and is found in bacterial cell wall peptidoglycan of gram-positive and gram-negative bacteria. D-Glutamic acid also occurs as poly-gamma-Glutamic acid, which is a weak immunogen but is capable of acting as a hapten (a small molecule that induces the production of antibodies, as well as binding to them).<br>References Dougherty, T., et al.: J. Bacteriol., 175, 111 (1993); Goodman, J. &amp; Nitecki, D.: Immunology, 13, 577 (1967); Robinson, T.: Life Sci., 19, 1097 (1976)<br></p>

<p>Applications 1-(2-Isopropylthiazol-4-yl)-N-methylmethanamine dihydrochloride (cas# 1185167-55-8) is a useful research chemical.<br></p>

<p>Stability Light sensitive, Temperature Sensitive<br>Applications 3-Methyl-1,5-pentanediol Diacrylate is a useful chemical reagent.<br></p>

<p>Applications 3-Chloro-2-methyl-1-propene has been used in the synthesis of 2-S-substituted pyrimidines as antimetabolites of nucleic acid precursors for cancer therapy.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Kaldrikyan, M.A., Melik-Ohanjanyan, R.G.: Hayastani Kimiakan Handes, 67, 321 (2014)<br></p>