*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YS1820000
CHEMICAL NAME           : Urea, 1-benzyl-1-nitroso-
CAS REGISTRY NUMBER     : 775-11-1
BEILSTEIN REFERENCE NO. : 0642551
REFERENCE               : 1-12-00-00465 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C8-H9-N3-O2
MOLECULAR WEIGHT        : 179.20
WISWESSER LINE NOTATION : ZVNNO&1R
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * Nitrosobenzylurea
   * Urea, N-nitroso-N-(phenylmethyl)-
 
                       *** HEALTH HAZARD DATA ***
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1600 mg/kg/92W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Gastrointestinal - tumors
   Skin and Appendages - tumors
REFERENCE :
   ZKKOBW Zeitschrift fuer Krebsforschung und Klinische Onkologie.  (Berlin,
   Fed. Rep. Ger.)  V.76-92, 1971-78.  For publisher information, see JCROD7.
   Volume(issue)/page/year: 91,63,1978
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Parenteral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1200 mg/kg/66W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Musculoskeletal - tumors
   Tumorigenic - tumors at site of application
REFERENCE :
   ZKKOBW Zeitschrift fuer Krebsforschung und Klinische Onkologie.  (Berlin,
   Fed. Rep. Ger.)  V.76-92, 1971-78.  For publisher information, see JCROD7.
   Volume(issue)/page/year: 91,63,1978
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 100 ug/plate
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 68,1,1979
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 250 ug/plate
REFERENCE :
   TCMUE9 Topics in Chemical Mutagenesis.  (Plenum Pub. Corp., 233 Spring
   Street, New York, NY 10013) V.1-    1984-  Volume(issue)/page/year:
   1,13,1984
 
                            *** END OF RECORD ***