Amino Acids (AA)

<p>Applications D-Arginine is an unnatural isomer of L-Arginine (A769505), and is used to inhibit glutamate-induced nitric oxide production in rats. Derivatives of D-Arginine are used for pharmaceutical purposes, one example is 1-Deamino-8-D-arginine vasopressin, which is used to treat various bleeding disorders.<br>References Castellano, M., et al.: Neurosci. Lett., 314, 127 (2001); Kobrinsky, N., et al.: Lancet, 323, 1145 (1984); Weyrich, A., et al.: Circulation, 86, 279 (1992)<br></p>

<p>Applications Useful in the study of tyrosine-phosphorylation, which has been linked with the malignant transformation of cells by some RNA tumour viruses.<br>References Sefton, B.M., et al.: Cell, 20, 807 (1980), Erikson, R., et al.: Perspect. Virol., 11, 93 (1981), Lee, E-S, et al.: J. Org. Chem., 59, 2086 (1994)<br></p>

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

<p>Applications L-Valine is an essential amino acid and one of 20 proteinogenic amino acids. L-Valine cannot be manufactured by the body and must be acquired through diet or supplementation. L-valine is found in grains, dairy products, mushrooms, meats, peanuts and soy proteins. L-Valine has been used in studies to attenuate arrhythmias and induce hypotensive effects.<br>References Choi, C.W. et al.: Anim. Feed Sci. Technol., 102, 15 (2002); Kolarski, D. et al.: Krmiva, 30, 155 (1988); Oba, M. et al.: J. Dairy Sci., 93, 2044 (2010); Mitrega, K. et al.: Pharmacol. Res., 64, 218 (2011);<br></p>

<p>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.<br>References Pokhrel, L., et al.: bioorg. Med. Chem. Lett., 22, 3480 (2012);<br></p>

<p>Applications DMTMM, a conjugating agent that efficiently conjugat PnPS to Luminex microspheres without affecting the antigenicity of a broad set of PnPS.<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 Wrzesien, J. &amp; Graham, D.: Tetrahedron, 68, 1230 (2012); Schlottmann, S. et al.: J. Im. Meth., 309, 75 (2006)<br></p>

<p>Applications 7-Methoxy-4-(trifluoromethyl)coumarin is a biochemical for proteomics research.<br></p>

<p>Applications Methyl 4-(Bromomethyl)-3-methoxybenzoate is an intermediate used to prepare heteroarylphenyloxoacetyl and heteroarylphenylsulfonyl benzoylpiperazine analogs of BMS 378806 as HIV entry inhibitors. It is also used to synthesize steroid 5α-reductase inhibiting acylpiperidines.<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 Lu, R., et al.: J. Med. Chem., 52, 4481 (2009); Picard, F., et al.: J. Med. Chem., 45, 3406 (2002)<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 4-Chloro-4-methyl-1-pentene affects the surface modification of Kevlar stitch threads on mechanical interfacial properties of carbon fiber and bismaleimide stitched composites.<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 Ai, T., et al.: Fuhe Cailiao Xuebao, 24, 34-39 (2007)<br></p>

<p>Stability Hygroscopic, Temperature Sensitive<br>Applications A carnitine ester of unsaturated fatty acid. Used in the studies of fibroblasts in long-chain 3-hydroxyacyl-CoA dehydrogenase deficiency and fatty acid oxidation disorders.<br>References Gross R.W., et al.: J. Biol. Chem., 258, 5221 (1983),<br></p>

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

<p>Applications A red azoic dye. Dyes and metabolites, Environmental Testing<br>References Hoover, K., et al.: Chem. Res. Toxicol., 18, 1497 (2005), Altenburger, R., et al.: Environ. Toxicol. Chem., 24, 324 (2005), Gonzalez, M., et al.: Bioorg. Med. Chem., 13, 1775 (2005),<br></p>

<p>Applications 4-(1-Methylethyl)benzoic Acid is used in the synthesis of quinuclidine benzamides as agonists for nicotinic acetylcholine receptors. Also used in the synthesis of nifuroxazide analogues showing antimicrobial activity against methicillin-resistant Staphylococcus.<br>References Bodnar, A. et al.: J. Med. Chem., 48, 905 (2005); Masunari, A. et al.: Bioorg. Med. Chem. Lett., 15, 4229 (2007);<br></p>

<p>Applications Labelled L-Ornithine. 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 D-Lysine Methyl Ester is a protected form of D-Lysine (L468930). D-Lysine is the unnatural isomer of L-Lysine (L468895) that has the ability to reduce non-enzymatic glycation in vitro. D-Lysine also exists as polypeptide chains of poly-D-lysine, a nonspecific adhesion-promoting molecule that has the potential to be a polymeric drug carrier.<br>References Chen, Q. et al.: J. Biol. Chem., 269, 26602 (1994); Sensi, M., et al.: Diabetologia, 36, 797 (1993); Vermeersch, H. &amp; Remon, J.: J. Control. Rel., 32, 225 (1994)<br></p>

<p>Applications 2-amino-5-methylhexanoic acid (cas# 3558-32-5) is a useful research chemical.<br></p>

<p>Applications N-(4-Cyanophenyl)-glycine (cas# 42288-26-6) is a compound useful in organic synthesis.<br></p>

<p>Stability Moisture Sensitive<br>Applications 4-chloro-5-fluoro-2-methoxypyrimidine (cas# 1801-06-5) is a useful research chemical.<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 N,N'-Di-4-pyridinyl-methanediamine is used to prepare bis(heteroaryl)-imidazolidinediones with oxalyl chloride.<br>References Ghandi, M., et al.: Synth. Comm., 37, 637 (2007)<br></p>

<p>Stability Hygroscopic<br>Applications L-Ornithine is 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 A Boc-protected bifunctional linking reagent.<br>References Jimenez-Castells, C., et al.: Bioorg. Med. Chem. Lett., 17, 5155 (2007), Carmona, S., et al.: Mol. Pharm., 6, 706 (2009), Nagahori, N., et al.: Biochem., 48, 583 (2009),<br></p>

<p>Applications L-Arginine-2,3,3,4,4,5,5-d7 HCl (CAS# 204244-77-9) is a useful isotopically labeled research compound. It can be used with Raman scattering for imaging living cells and organisms.<br>References Min, W., et al., PCT Int. Appl. (2014), WO 2014205074 A2<br></p>

<p>Applications 4-Methoxy-3-nitrobenzonitrile<br></p>

<p>Applications This not naturally occurring amino acid was first observed after alkali treatment of different proteins. Synthetic Lysinoalanine was found to have a strong chelating ability for metals.<br>References Schwass, D., et al.: J. Agric. Food Chem., 32, 1377 (1984), Ahmed, M., et al.: J. Biol. Chem., 261, 8816 (1986), Wells-Knecht, K., et al.: Biochem., 34, 3702 (1995),<br></p>

<p>Applications (3-Methyl-2-butenyl)triphenyl-phosphonium Bromide (cas# 1530-34-3 ) is a compound useful in organic synthesis.<br></p>

<p>Impurity Imatinib EP Impurity G<br>Applications 1-Methylpiperazine (Imatinib EP Impurity G) is used in the preparation of 2-(4-Methyl-1-piperazinylmethyl)acrylophenone(MPMAP), an antimicrotubular drug. It is a COVID19-related research product.<br>References Mallevais, M.L. et al.: Biochimie, 66, 477 (1984);<br></p>

<p>Applications (2-hydroxy-4-methoxyphenyl)(4-methylphenyl)methanone (cas# 1641-17-4) is a useful research chemical.<br></p>

<p>Stability Volatile<br>Applications N-Isopropyl-N-methylamine (cas# 4747-21-1) is a compound useful in organic synthesis.<br> E0<br></p>

<p>Stability Hygroscopic<br>Applications 3-Methyl-2-benzothiazolinone Hydrazone Hydrochloride Hydrate is a chromegenic reagent for the determination of benzodiazepines, cholesterol, and enzyme activity. 3-Methyl-2-benzothiazolinone Hydrazone Hydrochloride Hydrate is used as an electrophilic coupling reagent used in the spectrophotometric determination of chloramine-B (CAB) and other residual chlorine content in various environmental water samples.<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 Syed, A. et al.: Environ. Sci. Indian J., 3, 49 (2008); Syed, A.A. et al.: Chem. Environ. Res., 15, 41 (2006); Mohan, J. et al.: Indian J. Chem., 32B, 44 (1993);<br></p>

<p>Applications 5-Methylfurfural is a common chemical reagent used in a wide variety of chemical reactions and organic synthesis. Polycyclic pyridazine based derivatives are synthesized with this compound to form antimicrobial agents. Also used in the preparation of antiinflammatory diarylpentanoid analogues.<br>References Deeb, A. et al.: Eur. Chem. Bull., 3, 897 (2014); Leong, S. et al.: Molecules, 19, 16058 (2014);<br></p>

<p>Applications Sorbicillin analog. A bioactive secondary metabolites from terrestrial Streptomyces species TN262.<br>References Ma, L. et al. : J. Anitibiot. 64, 645 (2011); Elleuch, L. et al.: Appl. Biochem. Biotech. 162, 579 (2010)<br></p>

<p>Applications 4-methyl-2-(piperidin-4-yl)pyridine (cas# 1260886-47-2) is a useful research chemical.<br></p>

<p>Stability Hygroscopic<br>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.<br>References Gong, X., et. al.: J. Chem. Res., 6, 327 (2008)<br></p>

<p>Applications N-Acetyl-L-alanine is used as a biomarker for prostate cancer.<br>References Jansen, R., et al.: Clin. Biochem., 38, 362 (2005),<br></p>

<p>Applications 2-Methyl-5-nitrobenzenesulfonamide is a chemical reagent in the synthesis of good inhibitors of cancer-related carbonic anhydrase. Also used in the synthesis of novel deacetylase inhibitors used in anti-tumor therapy.<br>References Moeker, J. et al.: J. Med. Chem., 57, 3522 (2014); Han, L. et al.: Bioorg. Med. Chem., 22, 1529 (2014);<br></p>