*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YS3825000
CHEMICAL NAME           : Urea, 1-butyl-3,3-dimethyl-1-nitroso-
CAS REGISTRY NUMBER     : 56654-53-6
BEILSTEIN REFERENCE NO. : 2442171
LAST UPDATED            : 199612
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C7-H15-N3-O2
MOLECULAR WEIGHT        : 173.25
WISWESSER LINE NOTATION : ONN4&VN1&1
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * N-Butyl-N',N'-dimethyl-N-nitrosourea
   * 1-Butyl-3,3-dimethyl-1-nitrosourea
 
                       *** HEALTH HAZARD DATA ***
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3140 mg/kg/45W-C
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Blood - leukemia
   Reproductive - Tumorigenic effects - other reproductive system tumors
REFERENCE :
   JNCIAM Journal of the National Cancer Institute.  (Washington, DC)  V.1-60,
   1940-78.  For publisher information, see JJIND8.  Volume(issue)/page/year:
   56,1177,1976
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 8 mmol/L
REFERENCE :
   CPBTAL Chemical and Pharmaceutical Bulletin.  (Japan Pub. Trading Co., USA,
   1255 Howard St., San Francisco, CA 94103)  V.6-    1958-
   Volume(issue)/page/year: 34,5056,1986
 
                            *** END OF RECORD ***