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CAS No 14255-87-9 , methyl N-(6-butyl-1H-benzimidazol-2-yl)carbamate

  • Name: methyl N-(6-butyl-1H-benzimidazol-2-yl)carbamate
  • Synonyms: Parbendazolum [INN-Latin]; 14255-87-9; SKF 29044; Worm Guard; Parbendazol [INN-Spanish]; PBDZ;methyl N-(6-butyl-1H-benzimidazol-2-yl)carbamate;Helmatac; Verminum;
  • CAS Registry Number:
  • Melting Point: 255-257 ºC
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: 1.234g/cm3
  • Refractive index: 1.631
  • Water Solubility: <0.1 G/100 ML AT 18 ºC
  • Safety Statements: Moderately toxic by ingestion. Experimental teratogenic and reproductive effects. Human mutation data reported. An anthelminthic agent. When heated to decomposition it emits toxic fumes of NOx. See also CARBAMATES.
  • Flash Point: °C
  • EINECS: 238-133-3
  • Molecular Weight: 247.29298
  • InchiKey: YRWLZFXJFBZBEY-UHFFFAOYSA-N
  • InChI: InChI=1S/C13H17N3O2/c1-3-4-5-9-6-7-10-11(8-9)15-12(14-10)16-13(17)18-2/
    h6-8H,3-5H2,1-2H3,(H2,14,15,16,17)
  • Molecular Formula: C13H17N3O2
  • Molecular Structure:CAS No:14255-87-9 methyl N-(6-butyl-1H-benzimidazol-2-yl)carbamate

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14255-87-9 parbendazole

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References of methyl N-(6-butyl-1H-benzimidazol-2-yl)carbamate
Title: Parbendazole
CAS Registry Number: 14255-87-9
CAS Name: (5-Butyl-1H-benzimidazol-2-yl)carbamic acid methyl ester
Synonyms: methyl 5-butyl-2-benzimidazolecarbamate; 5-butyl-2-(carbomethoxyamino)benzimidazole
Manufacturers' Codes: SKF-29044
Trademarks: Helmatac (SK & F); Verminum (Squibb); Worm Guard (SK & F)
Molecular Formula: C13H17N3O2
Molecular Weight: 247.29
Percent Composition: C 63.14%, H 6.93%, N 16.99%, O 12.94%
Literature References: Prepd from 4-butyl-o-phenylenediamine and carbomethoxycyanamide: Actor et al., Nature 215, 321 (1967); GB 1123317 and Stedman; Actor, Pagano, US 3480642; US 3574845 (1968, 1969, 1971 all to SKF). Activity: Ostmann, Scheidy, Prog. Antimicrob. Anticancer Chemother., Proc. 6th Int. Congr. Chemother. 1, 159 (1970). Identification of metabolites: Dunn et al., J. Med. Chem. 16, 996 (1973).
Properties: Crystals from aq ethanol, mp 225-227° (dec). uv max (95% ethanol/1N HCl): 282, 288 nm (e 16200, 20000). Practically insol in water. LD50 in mice, rats (g/kg): >4 orally, both species (Actor).
Melting point: mp 225-227° (dec)
Absorption maximum: uv max (95% ethanol/1N HCl): 282, 288 nm (e 16200, 20000)
Toxicity data: LD50 in mice, rats (g/kg): >4 orally, both species (Actor)
Therap-Cat-Vet: Anthelmintic.