*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YS7608000
CHEMICAL NAME           : Urea, 3-cyclohexyl-1-(2-fluoroethyl)-1-nitroso-
CAS REGISTRY NUMBER     : 13908-93-5
BEILSTEIN REFERENCE NO. : 2853014
LAST UPDATED            : 199612
DATA ITEMS CITED        : 9
MOLECULAR FORMULA       : C9-H16-F-N3-O2
MOLECULAR WEIGHT        : 217.28
WISWESSER LINE NOTATION : L6TJ AMVNNO&2F
COMPOUND DESCRIPTOR     : Drug
                          Mutagen
SYNONYMS/TRADE NAMES :
   * CFNU
   * Cyclohexyl fluoroethyl nitrosourea
   * N'-Cyclohexyl-N-(2-fluoroethyl)-N-nitrosourea
   * 3-Cyclohexyl-1-(2-fluoroethyl)-1-nitrosourea
   * FCNU
   * 1-Fluoroethyl-3-cyclohexyl-1-nitrosourea
   * NSC 87,974
   * SRI 2619
   * Urea, N'-cyclohexyl-N-(2-fluoroethyl)-N-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           : 18500 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   10,397,1967
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 12 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   10,397,1967
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 111 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   10,397,1967
 
TYPE OF TEST            : LD10 - Lethal Dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 34 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   34,194,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 25210 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
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 51 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   10,397,1967
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Rodent - mouse Leukocyte
DOSE/DURATION           : 50 umol/L
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   38,3197,1978
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 21 umol/L
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   38,3379,1978
 
TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 10 umol/L
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   40,2719,1980
 
                            *** END OF RECORD ***