Sulfonamides and Derivatives

Impurity Etodolac EP Impurity J
Applications Decarboxy Etodolac (Etodolac EP Impurity J) is an impurity of Etodolac (racemic, E933100), which is a non-steroidal anti-inflammatory drug (NSAID) that selectively inhibits cyclooxygenase-2 (COX-2). Etodolac displays anti-inflammatory effects in both adjuvant arthritic and normal rats. Etodolac is anti-inflammatory.
References Humber, L.G., et al.: Med. Res. Rev., 7, 1 (1987); Balfour, J.A, et al.: Drugs, 42, 274 (1991); Kato, et al.: J. Pharm. Pharmacol., 53 1679 (2001)

Applications Acemetacin is a non-steroidal anti-inflammatory agent and used to treat rheumatic disease and other musculoskeletal disorders (1,2).
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 (1) Jacobi, H. and Dell, H. D.: Arzneimittelforschung 30, 1398 (1980) (2) Moore, R. A., et al.: Cochrane Database Syst Rev. 8,CD007589 (2009)

Stability Light Sensitive
Applications The isotopically labelled drug Sulfadiazine. Antibacterial.
References Bohni, et al.: Chemotherapy, 14, 195 (1969), Carr, et al.: Antimicrob. Agents Chemother., 4, 585 (1973), Stober, H., et al.: Anal. Profiles Drug Subs., 11, 523 (1982),

Impurity Nimesulide EP Impurity D
Stability Light Sensitive
Applications 4-Nitro-2-phenoxyaniline has been shown to have good AT1 Angiotension Receptor Antagonist activity when combined with Schiff bases.
References Shreenivas, M.T., et. al.: J. Pharm. Sci. Technol., 1, 88 (2009)

Applications Sulfasalazine is an anti-inflammatory (gastrointestinal). Sulfasalazine has been used in granulomatous colitis.
References Schroder, H., et al.: Clin. Pharmacol. Ther.,13, 539 (1972), McDonnell, J.P., et al.: Anal. Profiles Drug Subs., 5, 515 (1976), Klotz, U., et al.: Clin. Pharmacokinet.,10, 285 (1985),

Applications Trimethoprim lactate salt is an antibacterial agent.
References Lees, G. et al.: Brit. J. Pharmacol., 73, 535 (1981);

Applications Labelled Sulfamonomethoxine. Protein binding. Inhibitor of enzyme. Sulfamonomethoxine and Trimethoprim are used for treating porcine unknown hyperpyrexia.
References Bridges, et al.: Biochem. J., et al.: 96, 829 (1965), Hong, Y.-L., et al.: Antimicrob. Agents Chemother., 39, 1756 (1995)

Impurity Nimesulide EP Impurity C
Stability Hygroscopic
Applications 2-Phenoxylaniline (Nimesulide EP Impurity C) is an impurity of Nimesulide (N477500) which is an antiinflammatory agent that preferentially inhibits COX-2 over COX-1.
References Pairet, M., et al.: Inflamm. Res., 47, S93 (1998), Fukutake, M., et al.: Carcinogenesis, 19, 1939 (1998), Okajima., E., et al.: Cancer Res., 58, 3028 (1998), Azab, A., et al.: Life Sci., 63, 323 (1998)

Applications An impurity of the anti-inflammatory drug indomnethacin (I641000). Indomethacin inhibits cyclooxygenase (IC50=0.1uM) selectively over liposygenases (IC50=100uM for 5-,12- and 15-LO). A clinically useful NAISD.
References Salari, H., et al.: Prostagland. Leukotrienes Med., 13, 53 (1984), Lehmann, J.M., et al.: J. Biol. Chem., 272, 3406 (1997)

Applications Labelled Furosemide (F865000). Furosemide inhibits ion co-transport in the kidney. Furosemide is used as a diuretic.
References Goldenthal, E.I.: Toxicol. Appl. Pharmacol., 18, 185 (1971), Benet, L.Z.: J. Pharmacokinet. Biopharm., 7, 1 (1979)

Applications Ibuprofen 1,4-Sorbitan Ester is an impurity of the drug Ibuprofen (I140000), a selective inhibitor of cyclooxygenase, PGH synthase-1 and PGH synthase-2.
References Busson, M., et al.: J. Int. Med Res., 14, 53 (1986), Meade, E.A., et al.: J. Biol. Chem., 268, 6610 (1993), Davies, N.M., et al.: Clin. Pharmacokinet., 34, 101 (1998); (4) Chem. and Eng. News p9, July 4 (2016)

Applications Antiinflammatory agent. Preferentially inhibits COX-2 over COX-1. Suppresses chemical-induced carcinogenesis in mice and rats. Inhibits LPS-induced TNF-alpha production.
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 Pairet, M., et al.: Inflamm. Res., 47, S93 (1998), Fukutake, M., et al.: Carcinogenesis, 19, 1939 (1998), Okajima., E., et al.: Cancer Res., 58, 3028 (1998), Azab, A., et al.: Life Sci., 63, 323 (1998)

Applications S-Methyl-d3-thioacetaminophen is deuterium labeled S-Methyl-3-thioacetaminophen (M330610), a metabolite of Acetaminophen (A161220). Acetaminophen is an analgesic and antipyretic agent used as a pain reliever to treat headache, muscle aches, and arthritis (1,2,3).
References (1) McGill, M. R. and Jaeschke, H. Pharm Res. 30, 2174 (2013)(2) Fairbrother, J.E., et al.: Anal. Profiles Drug Subs., 3, 1 (1974) (3) Hinson, J.A., et al.: Rev. Biochem. Toxicol., 2, 103 (1980)

Applications A metabolite of Tenoxicam (T019500). A degradation product and pathway of Lornoxicam.
References Tsuchiya, S., et al.: Cancer Res., 42, 1530 (1982), Talanian, R., et al.: J. Med. Chem., 43, 3351 (2000), Fuentes-Prior, P., et al.: Biochem. J., 384, 201 (2004), Han, Y., et al.: Bioorg. Med. Chem. Lett., 15, 1173 (2005),

Applications A potential impurity in Ibuprofen (I140000). A degradation product of Ibuprofen arising from oxidative and thermal treatments.
References Heikkinen, L., et al.: Acta Pharm. Fenn., 92, 275 (1983), Kepp, D., et al.: Pharm Res., 5, 676 (1997),