Duty Rate (from China)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2935.90.95.00
Sulfisoxazole Diolamine
Sulfisoxazole diolamine is the diethanolamine salt of sulfisoxazole, used in ophthalmic and systemic antibacterial formulations. It qualifies for HTS 2935.90.95.00 as a salt of a sulfonamide antibiotic, classified with the parent sulfonamide per Chapter 29 salt classification rules.
Mefenamic Acid
Mefenamic acid is an anthranilic acid derivative with sulfonamide-related structure used as NSAID for dysmenorrhea and arthritis. Though primarily carboxylic acid, its sulfonamide characteristics place it under HTS 2935.90.95.00 as 'Other' sulfonamides.
Celecoxib API
Celecoxib is a COX-2 selective NSAID containing a sulfonamide group, used for arthritis treatment. Classified under HTS 2935.90.95.00 due to its pyrazole-sulfonamide structure qualifying as an 'Other' sulfonamide.
Sulfanilamide
Sulfanilamide is the parent compound of all sulfonamide antibiotics, historically significant for treating streptococcal infections. As the simplest sulfonamide not covered by prior specific subheadings, it classifies under HTS 2935.90.95.00.
Acetazolamide
Acetazolamide is a carbonic anhydrase inhibitor sulfonamide used for glaucoma, altitude sickness, and epilepsy. Its benzothiazole-sulfonamide structure places it in HTS 2935.90.95.00 as an 'Other' sulfonamide.
Furosemide
Furosemide is a loop diuretic containing a furfuryl-sulfonamide structure, used for edema and hypertension. Classified under HTS 2935.90.95.00 as a sulfonamide derivative despite primary diuretic function.
Sulfamethoxazole USP
Sulfamethoxazole is a synthetic bacteriostatic sulfonamide antibiotic used primarily in combination with trimethoprim for treating urinary tract infections and respiratory infections. It falls under HTS 2935.90.95.00 as a sulfonamide derivative other than those specifically named in prior subheadings, classified as a separate chemically defined organic compound per Chapter 29 note (a).
Sulfadiazine Sodium
Sulfadiazine sodium is the water-soluble salt form of sulfadiazine, a sulfonamide antibiotic used for toxoplasmosis treatment and burn wound infections. Classified under HTS 2935.90.95.00 as an inorganic salt of an organic sulfonamide compound per Chapter 29 note on salts, taking the heading of the parent organic compound.
Sulfapyridine
Sulfapyridine is a sulfonamide used historically for dermatitis herpetiformis and as a component in dapsone combinations. As a separate chemically defined organic compound not covered by specific prior subheadings, it falls under HTS 2935.90.95.00.
Sulfabenzamide
Sulfabenzamide is a topical sulfonamide antibiotic used in vaginal cream formulations for bacterial vaginosis. It falls under HTS 2935.90.95.00 as a benzamide sulfonamide derivative, a separate chemically defined organic compound.