Title: Oxibendazole
CAS Registry Number: 20559-55-1
CAS Name: (5-Propoxy-1H-benzimidazol-2-yl)carbamic acid methyl ester
Additional Names: 5-propoxy-2-benzimidazolecarbamic acid methyl ester; 5-propoxy-2-(carbomethoxyamino)benzimidazole
Manufacturers' Codes: SKF-30310
Trademarks: Anthelcide EQ (Pfizer); Equitac (Pfizer)
Molecular Formula: C12H15N3O3
Molecular Weight: 249.27
Percent Composition: C 57.82%, H 6.07%, N 16.86%, O 19.26%
Literature References: Prepn: GB 1123317 corresp to P. P. Actor, J. F. Pagano, US 3574845 (1968, 1971 both to SK & F). Comparative anthelmintic effects in mice: C. S. Karunakaron, D. A. Denham, J. Parasitol. 66, 929 (1980). Clinical studies in foals and horses: J. H. Drudge et al., Am. J. Vet. Res. 42, 526 (1981); E. T. Lyons et al., ibid. 685; D. K. Hass et al., ibid. 43, 534 (1982).
Properties: Cryst, mp 230-230.5°.
Melting point: mp 230-230.5°
Therap-Cat-Vet: Anthelmintic.

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