| Title:  Clobazam CAS Registry Number:  22316-47-8 CAS Name:  7-Chloro-1-methyl-5-phenyl-1H-1,5-benzodiazepine-2,4(3H,5H)-dione Additional Names:  1-phenyl-5-methyl-8-chloro-1,2,4,5-tetrahydro-2,4-dioxo-3H-1,5-benzodiazepine Manufacturers' Codes:  H-4723;  HR-376;  LM-2717 Trademarks:  Frisium (HMR);  Urbadan (HMR);  Urbanyl (HMR) Molecular Formula:  C16H13ClN2O2 Molecular Weight:  300.74 Percent Composition:  C 63.90%, H 4.36%, Cl 11.79%, N 9.31%, O 10.64% Literature References:  Benzodiazepine psychotherapeutic agent in which the nitrogens in the heterocyclic ring are in the 1,5- rather than in the more common 1,4-positions.  Prepn:  BE 707667; S. Rossi, US 3984398 (1968, 1976 both to Roussel-UCLAF); S. Rossi et al., Chim. Ind. (Milan) 51, 479 (1969); K. H. Weber et al., Ann. 756, 128 (1972).  Toxicology:  E. Schütz, Br. J. Clin. Pharmacol. 7, 33S (1979).  Review of pharmacology and therapeutic use in anxiety:  R. N. Brogden et al., Drugs 20, 161-178 (1980).  Symposium on pharmacology:  Drug Dev. Res. 1982, Suppl. 1, 1-186.  Metabolism:  A. G. Borel, F. S. Abbott, Drug Metab. Dispos. 21, 415 (1993).  GC determn in serum:  D. F. LeGatt, D. P. McIntosh, Clin. Biochem. 26, 159 (1993).  Clinical experience in refractory epilepsy:  Canadian Clobazam Cooperative Group, Epilepsia 32, 407 (1991).  Review of pharmacology and clinical studies in epilepsy:  S. D. Shorvon, "Clobazam" in Antiepileptic Drugs, R. H. Levy et al., Eds. (Raven Press, New York, 3rd ed., 1989) pp 821-840. Properties:  Crystals from 50% ethanol, mp 166-168°. Melting point:  mp 166-168° NOTE:  This is a controlled substance (depressant):  21 CFR, 1308.14. Therap-Cat:  Anxiolytic; anticonvulsant. Keywords:  Anxiolytic; Benzodiazepine Derivatives.  |