Pharmaceutical Standards

Applications 2-Bromo-4-nitrophenol

Impurity Atorvastatin lactam phenanthrene calcium salt impurity
Applications Atorvastatin (A791750) impurity. A stable Atorvastatin formulation.

Applications 3-Fluoro-4-hydroxycinnamic Acid (cas# 56926-74-0) was used in an study involving the enyzmatic decarboxylation of bio-based phenolic acids.
References Schweiger, A. K., et al.: ACS Sustain. Chem. Eng., 7, 16364 (2019)

Applications α-Methyl-1-naphthaleneacetic Acid Methyl Ester is an isotope labelled intermediate in the synthesis of 5-Methylchrysene (M265135), methylated derivative of chrysenes (MeChry), an aryl hydrocarbon receptor (AhR) agonist.
References Abd, E.A., et al.: Poly. Arom. Comp., 33, 331 (2013); Galatsis, P., et al.: Bioorg. Med. Chem. Lett., 20, 5089 (2010);

Applications 1-(4-Nitrophenyl)ethanol (cas# 6531-13-1) is a useful research chemical.

Applications Intermediate in the preparation of Azasetron.
References Kawakita, T., et al.: Chem. Pharm. Bull., 40, 624 (1992),

Applications Prostanozol (P838700) derivative.

Applications 1,1'-((3,3',5,5'-Tetramethyl-[1,1'-biphenyl]-4,4'-diyl)bis(oxy))bis(propan-2-one) is an intermediate in the synthesis of Mexiletine Dimer (M340805), which is an impurity compound of Mexiletine (M340800), an antiarrhythmic (class IB).
References Singh, E.M., et al.: Br. J. Pharmacol., 44, 1 (1972); Scott, K.N., et al.: Drug Metab. Dispos., 1, 506 (1973); Chew, C.Y.C., et al.: Drugs, 17, 161 (1979); Abounassif, M.A., et al.: Anal. Profiles Drug Subs., 20, 433 (1991);

Impurity Beclometasone Dipropionate EP Impurity C
Applications An impurity of Beclomethasone Dipropionate (B131030).

Applications A metabolite of Varenicline. Metabolite M5.
References Dow, J., et al.: Drug Metab. Dispos., 22, 738 (1994), Toide, K., et al.: Biochem. Pharmacol., 67, 1269 (2004), Coe, J., et al.: J. Med. Chem., 48, 3474 (2005), Doll, R., et al.: Br. J. Cancer, 92, 426 (2005),

Applications 3,5-Dibromosalicylic Acid

Applications A metabolite of Sitagliptin.
References Beconi, M.G. , et al.: Drug Metab. Dispos., 35, 525 (2007),

Applications 9-Chlorophenanthrene is a monochlorinated phenanthracene with mutagenic activity. Studies suggest that its carcinogenicity might be associated with aryl hydrocarbon receptor signaling.
References LaVoie, E.J. et al.: Mut. Res. Gen. Toxicol. Test., 116, 91 (1983); Ohura, T. et al.: Environ. Toxicol., 24, 180 (2010);

Applications A metabolite of Eplerenone. Used in combination therapy for treatment of cardiovascular disorders.
References Staessen, J., et al.: J. Endocrinol., 91, 457 (1981), de Gasparo, M., et al.: J. Pharmacol. Exp. Ther., 240, 650 (1987), MacFadyen, R., et al.: Cardiovasc. Res., 35, 30 (1997),

Applications N-Guanyl-S-Methyl-Isothiourea Hydroiodide is a reactant used in the synthesis of novel compounds that may be used as HIV entry inhibitors.
References Wilkinson, R. et al.: Antimicrob. Agents Chemother., 55, 255 (2011);