*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YS8235000 CHEMICAL NAME : Urea, 1,3-dibutyl-3-nitroso- CAS REGISTRY NUMBER : 56654-52-5 BEILSTEIN REFERENCE NO. : 2447689 LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C9-H19-N3-O2 MOLECULAR WEIGHT : 201.31 WISWESSER LINE NOTATION : ONMVN4&4 COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * N,N'-Dibutyl-N-nitrosourea *** HEALTH HAZARD DATA *** ** MUTATION DATA ** TYPE OF TEST : Cytogenetic analysis TEST SYSTEM : Rodent - hamster Fibroblast DOSE/DURATION : 125 mg/L/22H REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 48,337,1977 TYPE OF TEST : Cytogenetic analysis TEST SYSTEM : Rodent - hamster Lung DOSE/DURATION : 79 mg/L REFERENCE : GMCRDC Gann Monograph on Cancer Research. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No. 11- 1971- Volume(issue)/page/year: 27,95,1981 *** END OF RECORD ***