| Title:  Pirprofen CAS Registry Number:  31793-07-4 CAS Name:  3-Chloro-4-(2,5-dihydro-1H-pyrrol-1-yl)-a-methylbenzeneacetic acid Additional Names:  3-chloro-4-(3-pyrrolin-1-yl)hydratropic acid Manufacturers' Codes:  Su-21524 Trademarks:  Rangasil (Novartis);  Rengasil (Novartis);  Seflenyl (Novartis) Molecular Formula:  C13H14ClNO2 Molecular Weight:  251.71 Percent Composition:  C 62.03%, H 5.61%, Cl 14.08%, N 5.56%, O 12.71% Literature References:  Non-steroidal anti-inflammatory.  Prepn:  R. W. Carney, G. DeStevens, US 3641040 (1972 to Ciba); R. W. Carney et al., Experientia 29, 938 (1973).  Metabolism:  R. C. Luders et al., Clin. Pharmacol. Ther. 21, 721 (1977).  Pharmacology:  G. Wilhelmi, Pharmacology 16, 268 (1978).  Pharmacokinetics:  M. Beth et al., J. Clin. Pharmacol. 15, 563 (1975).  Comparative efficacy:  R. J. Saykaly et al., ibid. 19, 59 (1979).  Review of pharmacology and therapeutic efficacy:  P. A. Todd, R. Beresford, Drugs 32, 509-537 (1986). Properties:  Crystals from benzene-hexane, mp 98-100°. Melting point:  mp 98-100° Therap-Cat:  Anti-inflammatory. Keywords:  Anti-inflammatory (Nonsteroidal); Arylpropionic Acid Derivatives.     Status:  This monograph has been retired and is no longer subject to revision or update.  |