Benznidazole
Title: Benznidazole
CAS Registry Number: 22994-85-0
CAS Name: 2-Nitro-N-(phenylmethyl)-1H-imidazole-1-acetamide
Additional Names: N-benzyl-2-nitroimidazole-1-acetamide
Manufacturers' Codes: Ro-7-1051
Trademarks: Radanil (Roche)
Molecular Formula: C12H12N4O3
Molecular Weight: 260.25
Percent Composition: C 55.38%, H 4.65%, N 21.53%, O 18.44%
Literature References: Prepn: GB 1138529; A. G. Beaman et al., US 3679698 (1966, 1972 both to Hoffmann-La Roche). In vitro effect on T. cruzi: S. Yoneda et al., Experientia 33, 1201 (1977). Pharmacokinetics: J. Raaflaub, W. H. Ziegler, Arzneim.-Forsch. 29, 1611 (1979). Antibacterial activity and electron affinity: A. V. Reynolds, J. Pharm. Pharmacol. 31, Suppl., 29P (1979). Mutagenicity study: C. E. Voogd et al., Mutat. Res. 66, 207 (1979). In vitro toxicity study: G. E. Adams et al., J. Natl. Cancer Inst. 64, 555 (1980).
Properties: Crystals from ethanol, mp 188.5-190°. uv max (ethanol): 313 nm (e 7,600). Soly in water at 37°: 40 mg/100 ml, J. Raaflaub, W. H. Ziegler, loc. cit.
Melting point: mp 188.5-190°
Absorption maximum: uv max (ethanol): 313 nm (e 7,600)
Therap-Cat: Antiprotozoal (Trypanosoma).
Keywords: Antiprotozoal (Trypanosoma).

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