| Title:  Ipronidazole CAS Registry Number:  14885-29-1 CAS Name:  1-Methyl-2-(1-methylethyl)-5-nitro-1H-imidazole Additional Names:  2-isopropyl-1-methyl-5-nitroimidazole Manufacturers' Codes:  Ro-7-1554 Trademarks:  Ipropran (Roche) Molecular Formula:  C7H11N3O2 Molecular Weight:  169.18 Percent Composition:  C 49.70%, H 6.55%, N 24.84%, O 18.91% Literature References:  Prepn:  GB 1119636; M. Hoffer, M. Mitrovic, US 3634446 (1968, 1972 both to Hoffmann-La Roche); K. Butler, ZA 6607466 (1968 to Pfizer), C.A. 71, 3384e (1969).  Structure-activity relationship:  K. Butler et al., J. Med. Chem. 10, 891 (1967).  Activity studies as an antihistomonal agent:  M. Mitrovic et al., Antimicrob. Agents Chemother. 1968, 445; M. Mitrovic, E. G. Schildknecht, Poult. Sci. 49, 86 (1970); as a growth promotant:  W. L. Marusich et al., ibid. 98.  Toxicity studies:  eidem, ibid. 92. Properties:  White plates, mp 60°.  LD50 orally in poults:  640 ± 25 mg/kg (Marusich, p 92). Melting point:  mp 60° Toxicity data:  LD50 orally in poults:  640 ± 25 mg/kg (Marusich, p 92)   Derivative Type:  Hydrochloride  Properties:  mp 177-182°.  Water-soluble. Melting point:  mp 177-182°   Therap-Cat-Vet:  Antiprotozoal (Histomonas).  |