*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YS4980000
CHEMICAL NAME           : Urea, 1-(2-chloroethyl)-3-(2-fluoroethyl)-1-nitroso-
                          mixed with 3-(2-chloroethyl)-1-(2-
                          fluoroethyl)-1-nitrosourea (1:1)
CAS REGISTRY NUMBER     : 50922-87-7
OTHER CAS REGISTRY NOS. : 72361-30-9
LAST UPDATED            : 199206
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C5-H9-Cl-F-N3-O2
MOLECULAR WEIGHT        : 197.62
WISWESSER LINE NOTATION : ONN2GVM2F &ONN2FVM2G
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * N-(2-Chloroethyl)-N'-(2-fluoroethyl)nitrosourea
   * NSC 93184
   * Urea, N-(2-chloroethyl)-N'-(2-fluoroethyl)nitroso-
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 41470 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       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 26900 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
 
                            *** END OF RECORD ***