*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : NJ5073000 CHEMICAL NAME : 4H-Imidazol-4-one, 3-(5-ethyl-1,3,4-thiadiazol-2-yl)-3,5-dihydro-5-((4-h ydroxy-3- methoxyphenyl)methylene)-2-methyl- CAS REGISTRY NUMBER : 76834-49-6 LAST UPDATED : 198809 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C16-H16-N4-O3-S MOLECULAR WEIGHT : 344.42 COMPOUND DESCRIPTOR : Drug *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 681 mg/kg TOXIC EFFECTS : Behavioral - excitement Lungs, Thorax, or Respiration - respiratory stimulation REFERENCE : JICSAH Journal of the Indian Chemical Society. (Indian Chemical Soc., 92, Acharya Prafulla Chandra Rd., Calcutta 700009, India) V.5- 1928- Volume(issue)/page/year: 57,1040,1980 *** END OF RECORD ***