*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DL8370000 CHEMICAL NAME : 5H-Benzothieno(3,2-d)(1,3,4)thiadiazolo(3,2-a)pyrimid in-5-one, 2-methyl- CAS REGISTRY NUMBER : 110543-81-2 LAST UPDATED : 199109 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C12-H7-N3-O-S2 MOLECULAR WEIGHT : 273.34 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 2-Methyl-5H-benzothieno(3,2-d)(1,3,4)thiadiazolo(3,2-a)pyrimidin-5-one * 2-Metil-5H-benzotieno(3,2-d)(1,3,4)tiadiazolo(3,2-a)pirimidin-5-one *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >1 gm/kg TOXIC EFFECTS : Sense Organs and Special Senses (Eye) - ptosis Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression REFERENCE : FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 42,437,1987 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 750 mg/kg TOXIC EFFECTS : Sense Organs and Special Senses (Eye) - ptosis Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression REFERENCE : FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 42,437,1987 *** END OF RECORD ***