Title:  Etizolam 
CAS Registry Number:  40054-69-1 
CAS Name:  4-(2-Chlorophenyl)-2-ethyl-9-methyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine 
Additional Names:  1-methyl-6-o-chlorophenyl-8-ethyl-4H-s-triazolo[3,4-c]thieno[2,3-e]-1,4-diazepine 
Manufacturers' Codes:  Y-7131 
Trademarks:  Depas (Yoshitomi) 
Molecular Formula:  C17H15ClN4S 
Molecular Weight:  342.85 
Percent Composition:  C 59.55%, H 4.41%, Cl 10.34%, N 16.34%, S 9.35% 
Literature References:  Prepn:  M. Nakanishi et al., DE 2229845; eidem, US 3904641 (1972, 1973 both to Yoshitomi).  Pharmacology and toxicity studies:  T. Tsumagari et al., Arzneim.-Forsch. 28, 1158 (1978).  Effect on monoamine metabolism in brain:  M. Setoguchi et al., ibid. 1165; on rage responses in cats:  T. Fukuda, T. Tsumagari, Jpn. J. Pharmacol. 33, 885 (1983). 
Properties:  Crystals from toluene, mp 147-148°.  LD50 in male, female rats, male, female mice (mg/kg):  3619, 3509, 4358, 4258 orally; 865, 825, 830, 783 i.p.; >5000 s.c. (Tsumagari). 
Melting point:  mp 147-148° 
Toxicity data:  LD50 in male, female rats, male, female mice (mg/kg):  3619, 3509, 4358, 4258 orally; 865, 825, 830, 783 i.p.; >5000 s.c. (Tsumagari) 
Therap-Cat:  Anxiolytic. 
Keywords:  Anxiolytic; Benzodiazepine Derivatives.   |