*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ4688000 CHEMICAL NAME : 4H-Pyrazino(1,2-a)pyrimidin-4-one, 3-(p-chlorophenyl)-2-hydroxy- CAS REGISTRY NUMBER : 21271-32-9 BEILSTEIN REFERENCE NO. : 0545565 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H8-Cl-N3-O2 MOLECULAR WEIGHT : 273.69 WISWESSER LINE NOTATION : T66 ANV EN HNJ CR DG& DQ SYNONYMS/TRADE NAMES : * 3-(p-Chlorophenyl)-2-hydroxy-4H-pyrazino(1,2-a)pyrimidin-4-one *** 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 : 681 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 11,1045,1968 *** END OF RECORD ***