*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TK8045000 CHEMICAL NAME : Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-((tetrahyd ro-2-furanyl)carbonyl )-, monohydrochloride CAS REGISTRY NUMBER : 63074-08-8 LAST UPDATED : 199503 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C19-H25-N5-O4.Cl-H MOLECULAR WEIGHT : 423.95 SYNONYMS/TRADE NAMES : * Abbott-45975 * Terazosin hydrochloride *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 277 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea REFERENCE : DCTODJ Drug and Chemical Toxicology. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.1- 1977/78- Volume(issue)/page/year: 7,435,1984 ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 4650 mg/kg/31D-I TOXIC EFFECTS : Sense Organs and Special Senses (Eye) - ptosis Nutritional and Gross Metabolic - body temperature decrease Related to Chronic Data - death REFERENCE : DCTODJ Drug and Chemical Toxicology. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.1- 1977/78- Volume(issue)/page/year: 7,435,1984 *** END OF RECORD ***