*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YR8950000
CHEMICAL NAME           : Urea, 1-(2-benzimidazolyl)-3-methyl-
CAS REGISTRY NUMBER     : 21035-25-6
BEILSTEIN REFERENCE NO. : 0958889
REFERENCE               : 5-25-10-00378 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C9-H10-N4-O
MOLECULAR WEIGHT        : 190.23
WISWESSER LINE NOTATION : T56 BM DNJ CMVM1
COMPOUND DESCRIPTOR     : Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * BCM (NH)
   * 1-(2-Benzimidazolyl)-3-methylurea
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 56 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems
   Laboratory, NIOSH Exchange Chemicals.  (Aberdeen Proving Ground, MD 21010)
   Volume(issue)/page/year: NX#03246
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 152 mg/kg
SEX/DURATION            : female 8-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Effects on Embryo or Fetus - fetal death
   Reproductive - Specific Developmental Abnormalities - Central Nervous System
REFERENCE :
   THERAP Therapie.  (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris,
   France)  V.1-    1946-  Volume(issue)/page/year: 31,505,1976
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 152 mg/kg
SEX/DURATION            : female 8-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   THERAP Therapie.  (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris,
   France)  V.1-    1946-  Volume(issue)/page/year: 31,505,1976
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation test systems - not otherwise specified
TEST SYSTEM             : Human Leukocyte
DOSE/DURATION           : 1 mg/L
REFERENCE :
   THERAP Therapie.  (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris,
   France)  V.1-    1946-  Volume(issue)/page/year: 31,505,1976
 
TYPE OF TEST            : Mutation test systems - not otherwise specified
TEST SYSTEM             : Human Cells - not otherwise specified
DOSE/DURATION           : 2 mg/L
REFERENCE :
   THERAP Therapie.  (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris,
   France)  V.1-    1946-  Volume(issue)/page/year: 31,505,1976
 
                            *** END OF RECORD ***