*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : FD0808000
CHEMICAL NAME : Carbamic acid,
(5-(phenylsulfinyl)-1H-benzimidazol-2-yl)-, methyl
ester
CAS REGISTRY NUMBER : 53716-50-0
BEILSTEIN REFERENCE NO. : 0761290
LAST UPDATED : 199612
DATA ITEMS CITED : 7
MOLECULAR FORMULA : C15-H13-N3-O3-S
MOLECULAR WEIGHT : 315.37
WISWESSER LINE NOTATION : T56 BM DNJ CMVO1 HSO&R
COMPOUND DESCRIPTOR : Drug
Mutagen
Reproductive Effector
SYNONYMS/TRADE NAMES :
* 2-Benzimidazolecarbamic acid, 5-(phenylsulfinyl)-, methyl ester
* Fenbendazole sulfoxide
* HOE 8105
* Methyl 5-(phenylsulfinyl)-2-benzimidazolecarbamate
* Methyl (5-phenylsulfinyl)-1H-benzimidazol-2-yl carbamate
* OFDZ
* Oxfendazole
* 5-(Phenylsulfinyl)-2-benzimidazolecarbamic acid methyl ester
* (5-(Phenylsulfinyl)-1H-benzimidazol-2-yl)carbamic acid methyl ester
* 5-Phenylsulfinyl-2-carbomethoxyaminobenzimidazole
* Repidose
* RS-8858
* Synanthic
* Systamex
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >6400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc.,
Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC
20037) V.6- 1963- Volume(issue)/page/year: 18,1164,1975
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : >6400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc.,
Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC
20037) V.6- 1963- Volume(issue)/page/year: 18,1164,1975
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : >1600 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc.,
Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC
20037) V.6- 1963- Volume(issue)/page/year: 18,1164,1975
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 126 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 - other developmental
abnormalities
REFERENCE :
RMVEAG Recueil de Medecine Veterinaire. (Masson Pub. USA, Inc., Year Book
Medical Pub., 35 E. Wacker Dr., Chicago IL 60601) V.1- 1824-
Volume(issue)/page/year: 153,639,1977
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - domestic
DOSE : 22500 ug/kg
SEX/DURATION : female 17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - eye/ear
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
RMVEAG Recueil de Medecine Veterinaire. (Masson Pub. USA, Inc., Year Book
Medical Pub., 35 E. Wacker Dr., Chicago IL 60601) V.1- 1824-
Volume(issue)/page/year: 153,639,1977
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - domestic
DOSE : 22500 ug/kg
SEX/DURATION : female 17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - urogenital system
Reproductive - Effects on Newborn - live birth index (measured after birth)
REFERENCE :
RMVEAG Recueil de Medecine Veterinaire. (Masson Pub. USA, Inc., Year Book
Medical Pub., 35 E. Wacker Dr., Chicago IL 60601) V.1- 1824-
Volume(issue)/page/year: 153,639,1977
** MUTATION DATA **
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 ***