Amino Acids (AA)

<p>Applications Labelled L-Methionine, an essential aminoacid for human development. Hepatoprotectant; antidote (acetominophen poisoning); urinary acidifier.<br>References Benevenga, N.J., et al.: J. Agric. Food Chem., 22, 2 (1974), Fleisher, L.D., et al.: Clin. Endocrinol. Metab., 3, 37 (1974), Meinnel, T., et al.: Biochimie, 75, 1061 (1993),<br></p>

<p>Applications 3-N-Methyl-L-histidine is a potential compound to be used as a treatment with pharmacological PPARα agonists to stimulate the ubiquitin proteasome pathway and myofibrillar protein breakdown in skeletal muscle of rodents.<br>References Ringseis, R., et al.: Biochem. Biphys. Gen. Subject., 1830, 2105 (2013); Ubhi, B.K., et al.: Molec. Biosys., 8, 3125 (2012);<br></p>

<p>Applications Glycyl-L-Tyrosine Dihydrate is used in process for producing N-Glycyltyrosine. Glycyl-L-Tyrosine Dihydrate is the anhydrous form of Glycyl-L-tyrosine(G720108); which is used in preparation method of high quality Aspartame and Aspartame crystallization-inducing agent.<br>References Mimura, T., et al.: Eur. Pat. Appl., (1999); Gao, Z., et al.: Faming Zhuanli Shenqing, (2019);<br></p>

<p>Applications 1,2,3-Trichloro-5-methylbenzene is useful in calculating 21 physical properties of organic compounds strictly from molecular structure.<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 Jain, N., et al.: J. Pharm. Sci., 88, 852-860 (1999)<br></p>

<p>Applications N-Methyl-N-trimethylsilylacetamide, is a powerful silylating agent for polar compounds.<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 Melanie MacGregor-Ramiasa et. al; Acta biomaterialia, 56, undefined (2017-2-25)<br></p>

<p>Applications 4-(3-Methoxypropoxy)-2,3-dimethylpyridin-1-ium-1-olate is used in preparation of Picolylsulfides and related drugs by using Esterification and Thioetherification as the key steps.<br>References Wang, D., et al.: Faming Zhuanli Shenqing, (2019);<br></p>

<p>Applications DL-Proline is the racemic mixture of both L-Proline (P755995) and D-Proline (P755990).<br>References Bondarenko, L.B., et al.: Int. J. Peptides., 2, 1687 (2012); Rimer, T., et al.: Biomacromolecules, 13, 2110 (2012);<br></p>

<p>Applications Isoleucine-d10 (mixture of diastereomers) (CAS# 29909-02-2) is a useful isotopically labeled research compound and can be used in gas liquid chromatography.<br>References VandenHeuvel, W., et.al., J. Chromatogr., 50, 405-412, (1970);<br></p>

<p>Applications 2-Methyl-5-nitrophenol is used as a reactant in the preparation of pyranocarbazole alkaloids.<br>References Zang, Yingda, et al.: Euro. J. of Med. Chem., 143, 438-448 (2018)<br></p>

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

<p>Applications 6-Chloro-2-methoxy-7-deazapurine (cas# 90057-08-2) is a compound useful in organic synthesis.<br></p>

<p>Applications: 3-Methyl-2,5-dihydrothiophene-1,1-dioxide is a reagent used in Diels-Alder reactions of butadienylpyridinium bromides.<br>References Lee, S., et al.: J. Org. Chem., 62, 7812 (1997);<br></p>

<p>Applications N-Acetyl-DL-aspartic acid (cas# 2545-40-6) is a useful research chemical.<br></p>

<p>Applications 5-Hydroxy-N-methyl-2-pyrrolidinone is a metabolite of N-methylpyrrolidone (NMP).<br>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),<br></p>

<p>Applications 4-Methoxyresorcinol (cas# 6100-60-3) is a compound useful in organic synthesis.<br></p>

<p>Applications 4-Methyl-1-[3-nitro-5-(trifluoromethyl)phenyl]-1H-imidazole, is a 4-methyl-1H-imidazole (4-MEI) derivative.<br></p>

<p>Stability Hygroscopic<br>Applications 3-Chloro-L-tyrosine was used in the enzymatic synthesis of halogen derivatives of aromatic amino acids labeled with hydrogen isotope. 3-Chloro-L-tyrosine exhibited stronger antioxidant properties in Hb-induced oxidative stress as was evident by higher efficiency of reduction of ferryl species.<br>References Winnicka, E., et al.: J. Chem. Eng., 8, 54 (2014); Lu, N., et al.: Toxicol. In Vitro, 28, 847 (2014);<br></p>

<p>Applications Intermediate for the preparation of Glimepiride.<br></p>

<p>Applications 2-Amino-5-chloro-3-methylbenzoic Acid is a useful research chemical for the preparation of benzoyl urea containing anthranillic acid groups with insecticidal activity.<br>References Peng, Y., et al.: Nongyao, 48, 326 (2009);<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-3-methylaniline (cas# 7149-75-9) is a compound useful in organic synthesis.<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 (R)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic Acid, is an amino acid building block used in peptide synthesis. With a growing peptide drug market the fast, reliable synthesis of peptides is of great importance.<br></p>

<p>Applications Indole-3-acetic-L-alanine is a derivative of the phytohormone indole-3-acetic acid (I577340) used in studies for the isolation and characterization of Arabdopsis thaliana mutants.<br>References Rampey, R.A., et al.: G3 (Bethesda), 3, 131-141 (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 Dihydro-5-methyl-4H-1,3,5-dithiazine is used as a reagent in the synthesis of neovibsanin derivatives which have the ability to induce neuronal differentiation in PC12 cells.<br>References Annette, P.-J. C., et al.: Tetrahedron, 66, 6842 (2010)<br></p>

<p>Stability Moisture Sensitive<br>Applications An inhibitor of alkaline phosphatase isoenzymes. An analog of Homoarginine (H585000).<br>References Muth, W., et al.: J. Biol. Chem., 249, 7463 (1974), Hanukoglu, I., et al.: Eur. J. Biochem., 180, 479 (1989), Khaw, L., et al.: J. Bacteriol. 180, 809 (1998), Gallagher, D., et al.: J. Mol. Biol., 342, 119 (2004),<br></p>

<p>Applications N-Acetyl-S-benzyl-d5-L-cysteine is deuterium labelled N-Acetyl-S-benzyl-L-cysteine, which is a metabolite of toluene.<br>References Gargas, M., et al.: Toxicol. Appl. Pharmacol., 98, 87 (1989), Commandeur, J., et al.: Pharmacol. Rev., 47(2), 271 (1995), Campo, P., et al.: Neurotoxicol. Teratol., 21, 427 (1999), Lohse, C., et al.: J. Agr. Food Chem., 48, 5913 (2000),<br></p>

<p>Stability Hygroscopic<br>Applications Labelled 3-Aminoisobutyric Acid (A611585). Substituted β-alanines. Used for preparation and isolation of D(-)-β-aminoisobutyric acid.<br>References Kakimoto, Y., et al.: J. Biol. Chem., 236, 3288 (1961),<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 A metabolite of Crotonaldehyde.<br>References Gray, J.M., et al.: Xenobiotica, 1, 55 (1971), Chung, F., et al.: Mutat. Res., 424, 71 (1999), Smith, C., et al.: Food Chem. Toxicol., 38, 637 (2000), Pan, J., et al.: Chem. Res. Toxicol., 15, 367 (2002),<br></p>

<p>Stability Hygroscopic<br>Applications Oleoyl-L-carnitine is a long-chain fatty ester of carnitine which is accumulated and released into the circulation, in fatty-acid oxidation defects. Pattern of Oleoyl-L-carnitine can be diagnostic for a number of ß-oxidation defects.<br>References Adams, S., et al.: J. Nutrition, 139, 1073 (2009); Ventura, F., et al.: Clinica Chimica Acta, 281, 1 (1999); Pourfarzam, M., et al.: Clinical Chem,, 40, 2267 (1994); Schaefer, J., et al.: Pediatric Res., 37, 354 (1995)<br></p>

<p>Applications N-Methyl-N-nitroso Urea-d6 is the labelled form of N-Methyl-N-nitroso Urea (M325815), which is a precursor of Diazomethane. It has a cytotoxicity effect.<br>References Huggins, C., et al.: J. Exp. Med., 131, 321 (1970); Gullino, P.M., et al.: J. Natl. Cancer Inst., 54, 401 (1975)<br></p>

<p>Applications α-Chloro-p-methyltoluene is a building block that has been used as a reactant for the preparation of 6-aminoquinolone derivatives as submicromolar hepatitis C virus NS5B inhibitors<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 Manfroni, G., et. al.: J. Med. Chem., Ahead of Print (2013)<br></p>

<p>Applications L-Argininic Acid is a guanidino compound, of which accumulation in tissue can cause Hyperargininemia.<br>References Deignan, J., et al.: Mol. Gen. Metab., 93, 172 (2008); Balz, D., et al.: Intl. J. Develop. Neurosci., 21, 75 (2003); Wyse, A., et al.: Brain Res., 923, 50 (2001)<br></p>

<p>Applications Labelled 4-Methylimidazole (M312990). 4-Methylimidazole is a monomethylated imidazole that can be used as a building block in the preparation of a wide range of biologically active compounds. 4-Methylimidazole is a product which results from the interaction of reducing sugars with ammonia. 4-Methylimidazole showed convulsant activity in animals and is listed as a possible carcinogen.<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 Nishie, K. et al.: Toxicol. Appl. Pharmacol., 14, 301 (1969): Cunha, S.C. et al.: J. Food Comp. Anal., 24, 609 (2011); Chan, P.C. et al.: Arch. Toxicol., 82, 55 (2008);<br></p>

<p>Applications β-Hydroxyisobutanol is used as a reagent in the synthesis of pyrazolo[1,5-a]pyridinecarbonyl-substituted spirocyclic piperidine ketals as inhibitors of HCV protein NS4B and of hepatitis C viral replication and their lack of cytotoxicity in human cells.<br>References Tai, V.W.-F., et al.: Bioorg. Med. Chem. Lett., 24, 2288 (2014);<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 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>Applications This compound contains up to 25% of the two other regioisiomers.<br></p>

<p>Applications 1,2-Dichloro-2-methylpropane (cas# 594-37-6) 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 Perfluoro(2-methyl-3-pentanone) (cas# 756-13-8) is a useful research chemical.<br></p>

<p>Stability Moisture Sensitive<br>Applications N-Methyl-1H-imidazole-1-carboxamide is a useful Methyl Isocyanate (MIC) substitute.<br></p>