Sulfaguanole
Title: Sulfaguanole
CAS Registry Number: 27031-08-9
CAS Name: 4-Amino-N-[[(4,5-dimethyl-2-oxazolyl)amino]iminomethyl]benzenesulfonamide
Additional Names: N1-[(4,5-dimethyl-2-oxazolyl)amidino]sulfanilamide; 1-(4,5-dimethyloxazol-2-yl)-3-sulfanilylguanidine; 1-(p-aminophenylsulfonyl)-3-(4,5-dimethyl-2-oxazolyl)guanidine; sulfadimethyloxazolylguanidine
Trademarks: Enterocura (Nordmark)
Molecular Formula: C12H15N5O3S
Molecular Weight: 309.34
Percent Composition: C 46.59%, H 4.89%, N 22.64%, O 15.52%, S 10.37%
Literature References: Prepn: Loop et al., GB 1185139 C.A. 73, 3909w (1970); eidem, US 3562258 (1970, 1971 both to Nordmark-Werke); Loop, Kohlmann, Arzneim.-Forsch. 23, 171 (1973). Toxicology: J. Kuhne et al., ibid. 178. Series of articles on pharmacology: ibid. 172-192.
Properties: Almost colorless crystals from 9:1 acetone-water, mp 233-236°; from water-methanol, mp 228-230°. pKa 7.76. Practically insol in water. Sol in dil NaOH solns. No deaths in mice or rats for oral doses of 5 g/kg (Kuhne).
Melting point: mp 233-236°; mp 228-230°
pKa: pKa 7.76
Therap-Cat: Antibacterial.
Keywords: Antibacterial (Synthetic); Sulfonamides.

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