| Title:  Benoxaprofen CAS Registry Number:  67434-14-4 CAS Name:  2-(4-Chlorophenyl)-a-methyl-5-benzoxazoleacetic acid Manufacturers' Codes:  Compd 90459 Trademarks:  Coxigon (Lilly);  Opren (Lilly);  Oraflex (Lilly) Molecular Formula:  C16H12ClNO3 Molecular Weight:  301.72 Percent Composition:  C 63.69%, H 4.01%, Cl 11.75%, N 4.64%, O 15.91% Literature References:  Prepn:  D. Evans et al., DE 2324443; eidem, US 3912748 (1973, 1975 both to Lilly); D. W. Dunwell et al., J. Med. Chem. 18, 53 (1975).  Analysis by HPLC:  S. W. McKay et al., J. Chromatogr. 170, 482 (1979).  Pharmacokinetics:  D. H. Chatfield et al., Br. J. Clin. Pharmacol. 4, 579 (1977).  Metabolism:  D. H. Chatfield, J. N. Green, Xenobiotica 8, 133 (1978).  Effect on lysosomal enzyme secretion:  R. J. Smith, J. Pharmacol. Exp. Ther. 207, 618 (1978).  Dissolution and absorption in humans:  A. S. Ridolfo et al., J. Pharm. Sci. 68, 850 (1979).  Series of clinical studies:  Rheumatol. Rehabil. 17, 254-264 (1978).  Retrospective study of molecular toxicology:  D. F. V. Lewis et al., Toxicology 65, 33 (1990). Properties:  Cream solid from ethanol, mp 189-190°.  LD50 orally in mice:  800 mg/kg (Evans, 1973). Melting point:  mp 189-190° Toxicity data:  LD50 orally in mice:  800 mg/kg (Evans, 1973) Therap-Cat:  Anti-inflammatory; analgesic. Keywords:  Analgesic (Non-Narcotic); Anti-inflammatory (Nonsteroidal); Arylpropionic Acid Derivatives.     Status:  This monograph has been retired and is no longer subject to revision or update.  |