*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : VA3378700 CHEMICAL NAME : 4(3H)-Quinazolinone, 3-(5-((ethylazo)methyl)-1,3,4-thiadiazol-2-yl)-2-(2-p henylethenyl)- CAS REGISTRY NUMBER : 103515-11-3 LAST UPDATED : 198712 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C21-H18-N6-O-S MOLECULAR WEIGHT : 402.51 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 3-(5-((Ethylazo)methyl)-1,3,4-thiadiazol-2-yl)-2-(2-phenylethenyl)-4(3H) -quinazolinone *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 275 mg/kg TOXIC EFFECTS : Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - respiratory depression REFERENCE : BMEMDK Biological Memoirs. (International Publishers, C 131, Mahanagar, Lucknow 226 006, India) V.1- 1976- Volume(issue)/page/year: 11,197,1985 *** END OF RECORD ***