*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MF8590000 CHEMICAL NAME : Guanine-3-N-oxide, hemihydrochloride CAS REGISTRY NUMBER : 19039-44-2 LAST UPDATED : 198910 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C5-H5-N5-O2.1/2Cl-H MOLECULAR WEIGHT : 115.33 WISWESSER LINE NOTATION : T56 BM DN FVM INJ HZ IO &GH COMPOUND DESCRIPTOR : Tumorigen *** HEALTH HAZARD DATA *** ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 1040 mg/kg/24W-I TOXIC EFFECTS : Tumorigenic - neoplastic by RTECS criteria Liver - tumors Tumorigenic - tumors at site of application REFERENCE : CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 30,184,1970 *** END OF RECORD ***