MW: 267.31
CAS: 127-69-5
MDL NUMBER: MFCD00003150
IUPAC: [(4-aminophenyl)sulfonyl](3,4-dimethylisoxazol-5-yl)amine
Smiles: c1(ccc(cc1)S(=O)(=O)Nc1c(c(no1)C)C)N
ACCEPTORS: 3
DONORS: 3
ROTATION BONDS: 0
N+O: 6
Chiral Centers: 0
LogP: 1.18
LogS: -3.26
LIPINSKI: 4
Monograph Number: 0009041
Title: Sulfisoxazole
CAS Registry Number: 127-69-5
CAS Name: 4-Amino-N-(3,4-dimethyl-5-isoxazolyl)benzenesulfonamide
Additional Names: N1-(3,4-dimethyl-5-isoxazolyl)sulfanilamide; 3,4-dimethyl-5-sulfanilamidoisoxazole; 5-(4-aminophenylsulfonamido)-3,4-dimethylisoxazole; 5-(p-aminobenzenesulfonamido)-3,4-dimethylisooxazole; sulfafurazole; sulphafurazole
Trademarks: Gantrisin (Roche); Sosol (McKesson); Soxisol (Fort Dodge); Soxomide (Upjohn); Sulfalar (Parke-Davis); Sulfazin (Shionogi); Sulfoxol (Orion)
Molecular Formula: C11H13N3O3S
Molecular Weight: 267.30.
Percent Composition: C 49.43%, H 4.90%, N 15.72%, O 17.96%, S 12.00%
Literature References: Prepn: H. M. Wuest, M. Hoffer, US 2430094 (1947 to Hoffmann-La Roche). Toxicity study: Seki et al., Arzneim.-Forsch. 15, 1441 (1965). Comprehensive description: B. C. Rudy, B. Z. Senkowski, Anal. Profiles Drug Subs. 2, 487-506 (1973). HPLC determn in biological fluids: D. Jung, S. Oie, Clin. Chem. 26, 51 (1980). Clinical trial in otitis media: P. A. M. Bernard et al., Pediatrics 88, 215 (1991).
Properties: White to slightly yellowish crystalline powder. Bitter taste. mp 194. pKa 5. Soly in water (25): 0.13 mg/ml. Sol in alcohol. LD50 orally in mice: 6800 mg/kg (Seki).
Melting point: mp 194
pKa: pKa 5
Toxicity data: LD50 orally in mice: 6800 mg/kg (Seki)
Derivative Type: Diethanolamine salt
CAS Registry Number: 4299-60-9
Additional Names: Sulfisoxazole diolamine
Trademarks: Suladrin (Alcon); Sulfium (Alcon)
Molecular Formula: C11H13N3O3S.C4H11NO2
Molecular Weight: 372.44.
Percent Composition: C 48.37%, H 6.50%, N 15.04%, O 21.48%, S 8.61%
Properties: White to off-white, odorless, crystalline powder. Sol in alcohol; freely sol in water. A 4% soln is about isotonic with tears.
Derivative Type: Acetyl sulfisoxazole
CAS Registry Number: 80-74-0
CAS Name: N-[(4-Aminophenyl)sulfonyl]-N-(3,4-dimethyl-5-isoxazolyl)acetamide
Additional Names: N1-monoacetyl sulfisoxazole
Molecular Formula: C13H15N3O4S
Molecular Weight: 309.34.
Percent Composition: C 50.47%, H 4.89%, N 13.58%, O 20.69%, S 10.37%
Literature References: Prepn: M. Hoffer, US 2721200 (1955 to Hoffmann-La Roche). Should not be confused with N4-acetyl sulfisoxazole which is a metabolite.
Properties: Tasteless crystals, mp 193-194. Soly (mg/ml): 0.07 in water; 4.93 in methanol; 5.7 in 95% ethanol; 0.94 in ether; 29.0 in chloroform.
Melting point: mp 193-194
Therap-Cat: Antibacterial.
Therap-Cat-Vet: Antibacterial.
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