*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : ZD8225000 CHEMICAL NAME : Xanthine, 1-hydroxy-, dihydrate CAS REGISTRY NUMBER : 64038-48-8 LAST UPDATED : 198910 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C5-H4-N4-O3.2H2-O MOLECULAR WEIGHT : 204.17 WISWESSER LINE NOTATION : T56 BM DN FMVNVJ HQ &QH 2 COMPOUND DESCRIPTOR : Tumorigen SYNONYMS/TRADE NAMES : * 1-Hydroxyxanthine dihydrate *** 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/26W-I TOXIC EFFECTS : Tumorigenic - neoplastic by RTECS criteria 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 ***