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Substance Name: Fenbendazole [USAN:USP:INN:BAN]
RN: 43210-67-9
UNII: 621BVT9M36
InChIKey: HDDSHPAODJUKPD-UHFFFAOYSA-N

Note

  • Antinematodal benzimidazole used in veterinary medicine.

Molecular Formula

  • C15-H13-N3-O2-S

Molecular Weight

  • 299.3527
 

Classification Codes

  • Anthelmintic
  • Anthelmintics
  • Anti-Infective Agents
  • Antinematodal Agents
  • Antiparasitic Agents
  • Mutation Data
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Names and Synonyms

Name of Substance

  • Fenbendazole
  • Fenbendazole [USAN:USP:INN:BAN]

MeSH Heading

  • Fenbendazole

Synonyms

  • 2-(Methoxycarbonylamino)-5-(phenylthio)benzimidazole
  • Carbamic acid, (5-(phenylthio)-1H-benzimidazol-2-yl)-, methyl ester
  • CCRIS 7309
  • EINECS 256-145-7
  • Fenbendazol
  • Fenbendazol [INN-Spanish]
  • Fenbendazole
  • Fenbendazolum
  • Fenbendazolum [INN-Latin]
  • Hoe 881v
  • Methyl (5-(phenylthio)-1H-benzimidazol-2-yl)carbamate
  • Methyl 5-(phenylthio)-2-benzimidazolecarbamate
  • Panacur
  • Phenbendasol
  • Safe-quard
  • UNII-621BVT9M36

Systematic Names

  • 2-Benzimidazolecarbamic acid, 5-(phenylthio)-, methyl ester
  • Carbamic acid, (5-(phenylthio)-1H-benzimidazol-2-yl)-, methyl ester
  • Fenbendazole

Registry Numbers

CAS Registry Number

  • 43210-67-9

FDA UNII

  • 621BVT9M36

System Generated Number

  • 0043210679

Structure Descriptors

InChI

1S/C15H13N3O2S/c1-20-15(19)18-14-16-12-8-7-11(9-13(12)17-14)21-10-5-3-2-4-6-10/h2-9H,1H3,(H2,16,17,18,19)

InChIKey

HDDSHPAODJUKPD-UHFFFAOYSA-N

Smiles

c12c([nH]c(n2)NC(=O)OC)ccc(c1)Sc1ccccc1

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LD50 oral > 500mg/kg (500mg/kg)   Pesticide Science. Vol. 8, Pg. 550, 1977.
domestic animals - goat/sheep LD50 oral > 5gm/kg (5000mg/kg)   Pesticide Science. Vol. 8, Pg. 550, 1977.
mouse LD50 oral > 10gm/kg (10000mg/kg)   Pesticide Science. Vol. 8, Pg. 550, 1977.
pig LD50 oral > 5gm/kg (5000mg/kg)   Pesticide Science. Vol. 8, Pg. 550, 1977.
rat LD50 intraperitoneal > 1250mg/kg (1250mg/kg)   Pesticide Science. Vol. 8, Pg. 550, 1977.
rat LD50 oral > 10gm/kg (10000mg/kg)   Pesticide Science. Vol. 8, Pg. 550, 1977.
rat LD50 subcutaneous > 2gm/kg (2000mg/kg)   Pesticide Science. Vol. 8, Pg. 550, 1977.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 233 dec deg C   EXP
log P (octanol-water) 3.850 (none)   EST
Atmospheric OH Rate Constant 2.13E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.