*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : LU4200000 CHEMICAL NAME : 2(5H)-Furanone, 5-ethyl- CAS REGISTRY NUMBER : 2407-43-4 LAST UPDATED : 198910 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C6-H8-O2 MOLECULAR WEIGHT : 112.14 WISWESSER LINE NOTATION : T5OV EHJ E2 COMPOUND DESCRIPTOR : Tumorigen SYNONYMS/TRADE NAMES : * 5-Ethyl-2(5H)-furanone * 4-Hydroxyhex-2-enoic acid lactone *** HEALTH HAZARD DATA *** ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 2560 mg/kg/64W-I TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application REFERENCE : BJCAAI British Journal of Cancer. (Macmillan Press Ltd., Houndmills, Basingstoke, Hants. RG21 2XS, UK) V.1- 1947- Volume(issue)/page/year: 15,85,1961 *** END OF RECORD ***