Sulfanilamide Powder USP
Sulfanilamide, the parent compound of all sulfonamides, provides broad-spectrum antibacterial activity. HTS 2935.90.4800 classification as prototypical sulfonamide anti-infective per Chapter 29(a). Still used topically in vaginal infections and experimentally.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If amide function without sulfonamide consideration
Specific sulfonamide provision supersedes general amide classification.
If vaginal cream dosage form
All measured dose medicaments class under Chapter 30.
If technical grade dye intermediate
Non-pharmaceutical uses classify as chemical preparations.
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Import Tips & Compliance
• USP monograph compliance mandatory; aniline impurities strictly controlled
• Topical vs systemic documentation prevents dosage form confusion
• Historical FDA approvals support continued import legitimacy
Related Products under HTS 2935.90.48.00
Sulfamethoxazole USP
Sulfamethoxazole is a synthetic bacteriostatic sulfonamide antibiotic used primarily as an anti-infective agent against gram-positive and gram-negative bacteria. It falls under HTS 2935.90.4800 as a sulfonamide classified as an anti-infective drug, typically used in combination therapies like co-trimoxazole. This chemically defined organic compound meets Chapter 29 note (a) for separate sulfonamides.
Sulfadiazine Sodium
Sulfadiazine sodium is a water-soluble salt form of the sulfonamide antibiotic sulfadiazine, used for treating toxoplasmosis and other bacterial infections. Classified under HTS 2935.90.4800 as a sulfonamide anti-infective drug per Chapter 29 note (C)(1) for inorganic salts of organic compounds. The sodium salt retains the sulfonamide therapeutic classification.
Sulfapyridine Base
Sulfapyridine is a historic sulfonamide antibiotic still used in dermatological treatments like dermatitis herpetiformis. Falls under HTS 2935.90.4800 as a chemically defined sulfonamide anti-infective agent per Chapter 29(a). Its continued pharmacological use maintains drug classification despite age.
Sulfamethizole Powder
Sulfamethizole is a fast-acting sulfonamide specifically indicated for urinary tract infections. Classified under HTS 2935.90.4800 as a sulfonamide anti-infective drug meeting Chapter 29 requirements for separate chemically defined compounds. Typically imported as sterile powder for injection or oral suspension.
Sulfathiazole Sodium
Sulfathiazole sodium combines sulfonamide antibiotic with thiazole ring for broad-spectrum antibacterial activity. HTS 2935.90.4800 classification as sulfonamide anti-infective per Chapter 29 note (C)(1) for organic salts. Used historically in wound dressings and systemic infections.
Succinylsulfathiazole
Succinylsulfathiazole is a poorly absorbed sulfonamide designed for intestinal infections, releasing active sulfathiazole locally. Classified HTS 2935.90.4800 as sulfonamide anti-infective per Chapter 29 ester classification rules. Used in ulcerative colitis and bacillary dysentery treatment.