*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : FD1100000
CHEMICAL NAME           : Carbamic acid,
                          (5-(propylthio)-1H-benzimidazol-2-yl)-, methyl ester
CAS REGISTRY NUMBER     : 54965-21-8
LAST UPDATED            : 199806
DATA ITEMS CITED        : 10
MOLECULAR FORMULA       : C12-H15-N3-O2-S
MOLECULAR WEIGHT        : 265.36
WISWESSER LINE NOTATION : T56 BM DNJ CMVO1 GS3
COMPOUND DESCRIPTOR     : Drug
                          Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Albendazole
   * Methyl 5-(propylthio)-2-benzimidazolecarbamate
   * ((Propylthio)-5 1H-benzimidazolyl-2) carbamate de methyle
   * (5-(Propylthio)-1H-benzimidazol-2-yl)carbamic acid methyl ester
   * 5-(Propylthio)-2-carbomethoxyaminobenzimidazole
   * SKF 62979
   * Valbazen
   * Zental
 
                       *** 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           : 2400 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   APFRAD Annales Pharmaceutiques Francaises.  (SPPIF, B.P.22, F-41353 Vineuil,
   France)  V.1-    1943-  Volume(issue)/page/year: 40,55,1982
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 265 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NIIRDN Drugs in Japan (Ethical Drugs).  (Yakugyo Jiho Co., Ltd., Tokyo,
   Japan)  Volume(issue)/page/year: -,99,1995
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ALSMAS Acta Leidensia.  (Institute of Tropical Medicine Rotterman-Leiden,
   Wassenaarseweg 62, 2333 AL Leiden, Netherlands)  (Suspended 1942-45); V.1-
   1925/26-  Volume(issue)/page/year: 57,201,1989
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - hamster
DOSE/DURATION           : >10 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NIIRDN Drugs in Japan (Ethical Drugs).  (Yakugyo Jiho Co., Ltd., Tokyo,
   Japan)  Volume(issue)/page/year: -,99,1995
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 71 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 - Specific Developmental Abnormalities - musculoskeletal system
   Reproductive - Specific Developmental Abnormalities - other developmental
   abnormalities
REFERENCE :
   ARCVBP Annales Recherches Veterinaires.  (Institut National de la Recherche
   Agronomique, Service des Publ., Route de Saint-Cyr, 78000 Versailles,
   France)  V.1-    1970-  Volume(issue)/page/year: 12,159,1981
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 85 mg/kg
SEX/DURATION            : female 8-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
   ARCVBP Annales Recherches Veterinaires.  (Institut National de la Recherche
   Agronomique, Service des Publ., Route de Saint-Cyr, 78000 Versailles,
   France)  V.1-    1970-  Volume(issue)/page/year: 12,159,1981
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 30 mg/kg
SEX/DURATION            : female 10-12 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   REPTED Reproductive Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.1-    1987-  Volume(issue)/page/year:
   9,265,1995
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 60 mg/kg
SEX/DURATION            : female 10-12 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Specific Developmental Abnormalities - Central Nervous System
   Reproductive - Specific Developmental Abnormalities - other developmental
   abnormalities
REFERENCE :
   REPTED Reproductive Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.1-    1987-  Volume(issue)/page/year:
   9,265,1995
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - domestic
DOSE                    : 20 mg/kg
SEX/DURATION            : female 17 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - weaning or lactation index (e.g., #
   alive at weaning per # alive at day 4)
REFERENCE :
   AMSHAR Acta Morphologica Academiae Scientiarum Hungaricae.  (Budapest,
   Hungary)  V.1-30, 1951-82.  Volume(issue)/page/year: 28,226,1980
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Sex chromosome loss and nondisjunction
TEST SYSTEM             : Yeast - Saccharomyces cerevisiae
DOSE/DURATION           : 20 mg/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 343,185,1995
 
                            *** END OF RECORD ***