*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YS4908000 CHEMICAL NAME : Urea, 1-(2-chloroethyl)-3,3-dimethyl-1-nitroso- CAS REGISTRY NUMBER : 59960-30-4 BEILSTEIN REFERENCE NO. : 2255038 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C5-H10-Cl-N3-O2 MOLECULAR WEIGHT : 179.63 WISWESSER LINE NOTATION : ONN2GVN1&1 COMPOUND DESCRIPTOR : Tumorigen SYNONYMS/TRADE NAMES : * Nitrosochloroethyldimethylurea * 1-Nitroso-1-(2-chloroethyl)-3,3-dimethylurea *** HEALTH HAZARD DATA *** ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 168 mg/kg/50W-I TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Gastrointestinal - tumors REFERENCE : JCROD7 Journal of Cancer Research and Clinical Oncology. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.93- 1979- Volume(issue)/page/year: 94,131,1979 *** END OF RECORD ***