Pharmaceutical Standards

Applications α,2,4-Trichloroacetophenone is a reagent used in the synthesis of isoconazole, a potent antifungal agent.
References Dulcevscaia, G. et al.: Polyhed., 52, 106 (2013); Wang, Y. et al.: Bioorg. Med. Chem. Lett., 22, 5363 (2012);

Impurity Fulvestrant EP Impurity B
Applications A metabolite of Fulvestrant (F862500).
References Rao, P., et al.: J. Steroid Biochem., 25, 417 (1986), Wakeling, A., et al.: J. Steroid Biochem. Mol. Biol., 43, 173 (1992), DeFriend, D., et al.: Cancer Res., 54, 408 (1994),

Applications It is listed as a known human carcinogen. Used in manufacturing of dyes, as antioxidant in rubber.
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 IARC Monographs, 4, 97 (1974),

Applications 1-Acenaphthenol is a product of the microbial metabolism and photolysis of acenaphthene, of acenaphthene, a polycyclic hydrocarbon that has potential to act as polyploidizing agents in plants. 1-Acenaphthenol is also a known substrate of dihydrodiol dehydrogenases.
References Reyes, C., et al.: J. Photochem. Photobiol. A, 112, 277 (1998); Šavlík, M., et al.: Res. Vet. Sci., 83, 20 (2007); Schocken, M. & Gibson, D.: Appl. Environ. Microb., 48, 10 (1984);

Applications An enantiomeric impurity of Ezetimibe (E975005), an antihyperlipoproteinemic and cholesterol absorption inhibitor.

Applications BENZYL CINNAMATE (cas# 103-41-3) is a useful research chemical.

Applications trans-2,cis-6-Nonadienal is an unsaturated aldehyde that is responsible for the cucumber smell of Synura petersenii, a freshwater colonial flagellate. trans-2,cis-6-Nonadienal is also a common natural and drinking water contaminant.
References Berra, T., et al.: Trans. Am. Fish. Soc., 111, 78 (1982); Kynclova, A., et al.: Nova Hedw. Bei., 136, 283 (2010); Ömür-Özbek, P. & Dietrich, A.: Environ. Sci. Tech., 39, 3957 (2005)

Applications Labelled analogue of Hydrocinnamic Acid, a cinnamic acid derivative used in the compositions for the treatment of blood disorders using α-methylhydrocinnamic acid.
References Migliaccio, A., et al.: Blood, 76, 1150 (1990); McDonagh, K., et al.: J. Biol. Chem., 266, 11965 (1991);

Applications Carboxymethyl Cellulose Ether is used as a thickener to enhance rigidity and composition of pharmaceutical compounds as well as the stability of electrode slurries in composite electrodes. Also provides ion-exchange for chromotography media.
References Salerno, C. et al.: AAPS PharmSciTech., 11, 986 (2010); Porcher, W. et al. J. Electrochem. Soc., 156, A133 (2009); Wang, H. et al.: Biochem. Biophys. Res. Comm., 342, 349 (2006);

Applications Labelled Xanthurenic Acid (X743500). Excreted by pyridoxine-deficient animals after the ingestion of tryptophan.
References Aquilina, J., et al.: Biochemistry, 39, 16176 (2000), Roberts, J., et al.: Photochem. Photobiol., 74, 740 (2001),

Applications N-Nitrososarcosine-d3 is a labelled carcinogen compound.
References Lu, S., et al.: Cancer Res., 46, 1485 (1986), Tricker, A., et al.: Eur. J. Cancer Prev., 6, 226 (1997),

Applications Labelled Hydroxyurea. An anti-neoplastic - inhibits ribonucleoside reductase and DNA replication. A potential therapy for sickle cell anemia which involves the nitrosylation of sickle cell hemoglobin. Horseradish peroxidase catalyzes nitric oxide formation from hydroxyurea in the presence of hydrogen peroxide.
References Ratcliffe, W., et al.: Lancet, 339, 164 (1992), Roodman, G., et al.: Cancer, 80, 1557 (1997), Horwitz, M., et al.: J. Clin. Endocrinol. Metab., 2003, 88, 1603 (2003),

Applications A food metabolite.

Applications δ-Valerolactam-d4 is a labeled analog of δ-Valerolactam (V091440), which is a useful synthetic intermediate. It is an intermediate used to synthesize Cenicriviroc (C256550), an experimental drug candidate for the treatment of HIV infection. It is also a starting material for a new route to hexahydrojulolidines, using intramolecular 1,4-cycloaddition.
References Potts, K., et al. J. Org. Chem., 58, 5040 (1993); Klibanov, O., et al.: Curr. Opinion Invest. Drugs, 11, 940 (2010);

Stability Hygroscopic
Applications Labelled dimethyl phosphorodithiolate derivatives used as insecticides.

Impurity Terbinafine BP Impurity A; Terbinafine USP Related Compound A
Applications N-Methyl-1-naphthalenemethanamine hydrochloride (Terbinafine BP Impurity A; Terbinafine USP Related Compound A) is an intermediate used in the synthesis of various pharmaceuticals such as Terbinafine hydrochloride (T107500) and Butenafine hydrochloride (B690195).
References Petranyi, G., et al.: Science, 224, 1239 (1984); Ryder, N.S., et al.: Antimicrob. Agents Chemother., 27, 252 (1985); Evans, E.G.V., et al.: Br. Med. J., 318, 1031 (1999); Kokjohn, K., et al.: Int. J. Dermatol., 42, 11 (2003); Sumikawa, M., et al.: J. Dermatol., 34, 456 (2007)

Applications Betamethasone 6α-Bromo 17-Valerate is an impurity of Betamethasone (B327000), which is a glucocorticoid used as an anti-inflammatory agent.
References Ferrante, M.G., et al.: Anal. Profiles Drug Subs., 6, 43 (1977), Li, A., et al.: Chem. Biol. Interact., 142, 7 (2002), Cruz-Monteagudo, M., et al.: Eur. J. Med. Chem., 40, 1030 (2005), Rothfuss, A., et al.: Chem. Res. Toxicol., 19, 1313 (2006),