Acides aminés (AA)

Stability Light Sensitive
Applications 6-Methoxy-2-naphthol is a reactant in the development of sirtuin inhibitors from pyrazolone and isoxazol-5-one cambinol analogs.
References Mahajan, S.S., et. al.: J. Med. Chem., 57, 3283 (2014)

Impurity Lisinopril EP Impurity B/ Anastrozole EP Impurity F
Applications 4-Methylbenzenesulfonic Acid Monohydrate (Lisinopril EP Impurity B) is used in the synthesis of resveratrol. Also used in the synthesis of oxane derivatives as antimalarial agents.
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 Davis, M. et al.: Org. Prep. Proc. Int., 45, 304 (2013); Wang, X. et al.: J. Med. Chem., 56, 2547 (2013);

Applications 2-Chloro-6-methylaniline is a substituted aniline used in the preparation of various pharmaceutical compounds. 2-Chloro-6-methylaniline showed inhibition of the polymerization of vinyl acetate.
References Simonyi, M. et al.: Kinet. Mech. Polyreactions, Int. Symp. Macromol. Chem., Prepr., 3, 119 (1969);

Applications Phytosiderophores are produced in higher plants as iron chelating amino acids that promote uptake of iron from soil.
References Klair, S., et al.: J. Plant Nutr., 19, 1295 (1996),

Applications 2-(3,4-Diethoxyphenyl)ethanamine is a useful intermediate in the preparation of Drotaverine hydrochloride, an antispasmodic drug arising from papaverine class of biologically active compounds.
References Turks, M., et al.: Rigas Tehniskas Universitates Zinatniskie Raksti, Serija 1: Materialzinatne un Lietiska Kimija, 23, 107 (2011)

Impurity Ondansetron EP Impurity C
Applications 1,2,3,9-Tetrahydro-9-(methyl-d3)-4H-carbazol-4-one (Ondansetron EP Impurity C) is used in the preparation of 5-HT3 modulators useful in the treatment and prevention of 5-HT3 receptor-mediated diseases. 1,2,3,9-Tetrahydro-9-methyl-4H-carbazol-4-one is an impurity of Ondansetron (O655000).
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 Huang, W. et al.: Zhong. Yao. Dax. Xueb., 30, 1 (1999); Kim, M. et al.: Heterocycles, 45, 2041 (1997); Feng, R. et al.: Zhong. Yaox. Zaz., 46, 1436 (2011);

Stability Hygroscopic
Applications A labelled metabolite of Acrylonitrile (ACN).
References Guengerich, F., et al.: Cancer Res., 41, 4925 (1981), Leonard, A., et al.: Mutation Res., 436, 263 (1999), Stadler, R., et al.: J. Agric. Food Chem., 52, 5550 (2004), Dybing, E., et al.: Food Chem. Toxicol., 43, 365 (2005), Rice, J., et al.: Mutation Res., 580, 3 (2005),

Applications 4-Methyldibenzothiophene, is an alkyldibenzothiophene present in crude oil. Research concerning the biodegradation of Dibenzothiophene by different types of bacteria is a currently being carried out, as these bacteria have the ability to breakdown other harmful PAH’s as well. This may be used in removing spilled oil from marine and terrestrial environments.
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 Boberg, F., et al.: Erdoel & Kohle, Erdgas, Petrochemie, 47, 187 (1994); Tanaka, Y., et al.: Applied Microbiology and Biotech., 59 (2), 325 (2002); Prince, R., Spill Sci. Tech. Bulletin, 8 (2), 145 (2003);

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

Applications L-alloisoleucine is a stereo-isomer of L-isoleucine (I820175) and is produced as a byproduct of isoleucine via transamination.  L-allo-isoleucine has been suggested to induce epithelial β-defensin expression. In addition, L-allo-isoleucine is utilized in the biosynthesis pathway for coronamic acid.
References Fehlbaum, P., et al.: Proc. Natl. Acad. Sci. USA 97, 12723 (2000); Parry, R. J., et al.: J. Am. Chem. Soc. 113, 1849 (1991)

Applications AMMONIUM PERFLUORO(2-METHYL-3-OXAHEXANOATE) (cas# 62037-80-3) is a useful research chemical.

Stability Hygroscopic
Applications This compound is used in the production of antiviral peptides and beta-lactam anti-biotics.
References Ogasa, T. et al.: Chem. Pharm. Bull., 37, 315 (1989); Dettner, F. et al.: Angew. Chem. Int. Ed., 48, 1856 (2009);

Stability Hygroscopic
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.
References Winnicka, E., et al.: J. Chem. Eng., 8, 54 (2014); Lu, N., et al.: Toxicol. In Vitro, 28, 847 (2014);

Stability Hygroscopic
Applications 3-Methylglutaconic acid is a glutarate which builds up in the urine in 3-methylglutaconic aciduria. 3-methylglutaconic aciduria is a term used to describe five different disorders that impair the functioning of energy-producing centers within cells (mitochondria)
References Walsh, R., et al.: J. Inherit. Metab. Dis., 22, 251 (1999); Gonzalez, I., et al.: Am J Med Genet A., 134, 409 (2005); MacKenzie, J., et al.: Biochim Biophys Acta., 1772, 509 (2007)

Applications 4-Aminohippuric Acid is used in the measurement of renal plasma flow as a diagnostic tool which may be applied towards kidney disorders.
References Phillips, R. et al.: Am. J. Physiol., 152, 523 (1948);

Applications Labelled 4-Methyl-2-oxovaleric Acid, an α-ketomonocarboxylic acid that triggers insulin release by acting upon receptor sites which differ from those occupied by amino acids. 4-Methyl-2-oxovaleric Acid is an intermediate in the metabolism of Leucine.
References Panten, U. et al.: Naun.-Schmied. Arch. Pharmacol., 291, 405 (1975); Vague, P. et al.: Diab. Metab., 1, 185 (1975); Francois, G. et al.: Lancet, 1, 858 (1984);

Stability Light Sensitive
Applications 4-Methoxyphenylhydrazine hydrochloride was used in the preparation of 5-cyano-3-(5-methoxy-2-methylindol-3-yl)-1,2,4-thiadiazole. It was also used to synthesize diarylpyrazoles as possible cyclooxygenase 2 ((COX-2)) inhibitors.
References Iwakawa, T., et al.: Chem. Pharm. Bull., 48, 160 (2000); Penning, T., et al.: J. Med. Chem., 40, 1347 (1997)

Applications 2-Hydroxy-2-methylpropanamide (cas# 13027-88-8) is a useful research chemical.

Applications 3-Amino-4-methylpyridine (cas# 3430-27-1) is a compound useful in organic synthesis.
References Huang, H., et al.: Anal. Biochem., 363, 12 (2007), Tucker, T., et al.: J. Med. Chem., 51, 6503 (2008),

Applications 5'-O-Methylthymidine (cas# 14504-60-0) is a useful research chemical.