Title: Sulfazamet
CAS Registry Number: 852-19-7
CAS Name: 4-Amino-N-(3-methyl-1-phenyl-1H-pyrazol-5-yl)benzenesulfonamide
Additional Names: N1-(3-methyl-1-phenylpyrazol-5-yl)sulfanilamide; 5-(p-aminobenzenesulfonamido)-3-methyl-1-phenylpyrazole; 3-(p-aminobenzenesulfonamido)-2-phenyl-5-methylpyrazole; 3-methyl-1-phenyl-5-(sulfanilamido)pyrazole; sulfamethylphenazole; sulfapyrazole
Trademarks: Vesulong (Novartis)
Molecular Formula: C16H16N4O2S
Molecular Weight: 328.39
Percent Composition: C 58.52%, H 4.91%, N 17.06%, O 9.74%, S 9.76%
Literature References: Prepn: Crippa, Guarneri, Gazz. Chim. Ital. 85, 199 (1955); GB 848627 (1960 to Ciba); Seydel, Krueger-Theimer, Arzneim.-Forsch. 14, 1294 (1964). Amino-imino tautomerism: eidem, ibid.
Properties: Crystals from alc, mp 195° (Seydel, Krueger-Theimer); mp 181-182° (GB 848627). pKa¢ 5.69.
Melting point: mp 195° (Seydel, Krueger-Theimer); mp 181-182° (GB 848627)
pKa: pKa¢ 5.69
Therap-Cat-Vet: Antibacterial. |