*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YS5075000 CHEMICAL NAME : Urea, 1-(2-chloroethyl)-1-nitroso-3-(2-norbornyl)- CAS REGISTRY NUMBER : 13909-13-2 BEILSTEIN REFERENCE NO. : 2860913 LAST UPDATED : 199612 DATA ITEMS CITED : 6 MOLECULAR FORMULA : C10-H16-Cl-N3-O2 MOLECULAR WEIGHT : 245.74 WISWESSER LINE NOTATION : L55 ATJ CMVNNO&2G COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * N'-Bicyclo(2.2.1)hept-2-yl-N-(2-chloroethyl)-N-nitrosourea * 1-(2-Chloroethyl)-1-nitroso-3-(2-norbornyl)urea * NSC-88106 * SRI 2638 * Urea, N'-bicyclo(2.2.1)hept-2-yl-N-(2-chloroethyl)-N-nitroso- * Urea, 1-(2-chloroethyl)-3-(2-norbornyl)-1-nitroso- *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 83 mg/kg TOXIC EFFECTS : Liver - jaundice, other or unclassified Nutritional and Gross Metabolic - weight loss or decreased weight gain REFERENCE : NCIMR* Progress Report Submitted to the National Cancer Institute by Mason Research Institute. (Worcester, MA) Volume(issue)/page/year: -,372,1968 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 56 mg/kg TOXIC EFFECTS : Nutritional and Gross Metabolic - weight loss or decreased weight gain REFERENCE : NCIMR* Progress Report Submitted to the National Cancer Institute by Mason Research Institute. (Worcester, MA) Volume(issue)/page/year: -,372,1968 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 54760 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NCISP* National Cancer Institute Screening Program Data Summary, Developmental Therapeutics Program. (Bethesda, MD 20205) Volume(issue)/page/year: JAN1986 ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Mammal - dog DOSE/DURATION : 18750 ug/kg/15D-I TOXIC EFFECTS : Blood - normocytic anemia Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases REFERENCE : NCIMR* Progress Report Submitted to the National Cancer Institute by Mason Research Institute. (Worcester, MA) Volume(issue)/page/year: -,372,1968 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Mammal - dog DOSE/DURATION : 15 mg/kg/5W-I TOXIC EFFECTS : Liver - change in gall bladder structure or function Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases REFERENCE : NCIMR* Progress Report Submitted to the National Cancer Institute by Mason Research Institute. (Worcester, MA) Volume(issue)/page/year: -,372,1968 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Primate - monkey DOSE/DURATION : 35 mg/kg/15D-I TOXIC EFFECTS : Liver - fatty liver degeneration Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - weight loss or decreased weight gain REFERENCE : NCIMR* Progress Report Submitted to the National Cancer Institute by Mason Research Institute. (Worcester, MA) Volume(issue)/page/year: -,372,1968 *** END OF RECORD ***