Pharmaceutical Grade Acetylsulfisoxazole API
High-purity acetylsulfisoxazole active pharmaceutical ingredient (API) specifically enumerated in HTS 2935.90.32.00 as a sulfonamide anti-infective drug. Used exclusively in manufacturing prescription medications for systemic bacterial infections.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 6.5% | — | 6.5% |
| 🇲🇽Mexico | 6.5% | — | 6.5% |
| 🇨🇦Canada | 6.5% | — | 6.5% |
| 🇩🇪Germany | 6.5% | — | 6.5% |
| 🇯🇵Japan | 6.5% | — | 6.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not one of the three specifically named compounds
Other sulfonamides not explicitly listed fall into the residual 'other' category.
If mixed with multiple APIs in research quantities
Chemical preparations containing multiple active ingredients may classify as mixtures.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Register as API importer with FDA and maintain DMF confidentiality
• Batch testing required; provide chromatograms showing single impurity <0.1%
• Declare specifically by name to avoid general sulfonamide classification
Related Products under HTS 2935.90.32.00
Acetylsulfisoxazole USP Powder
Acetylsulfisoxazole is a sulfonamide antibiotic classified under HTS 2935.90.32.00 as a specific anti-infective agent drug. This pure pharmaceutical-grade powder is used in the formulation of medications for treating urinary tract infections and other bacterial infections.
Sulfacetamide Sodium USP Crystals
Sulfacetamide sodium is a water-soluble sulfonamide salt listed specifically in HTS 2935.90.32.00 as an anti-infective agent. These USP-grade crystals are primarily used in ophthalmic formulations for treating bacterial eye infections like conjunctivitis.
Sulfamethazine Sodium Veterinary Grade
Sulfamethazine sodium, explicitly named in HTS 2935.90.32.00, is a sulfonamide used primarily in veterinary medicine for treating respiratory and enteric infections in livestock. This pharmaceutical-grade powder meets pharmacopeial standards for animal health applications.
Sulfacetamide Sodium Ophthalmic Grade Powder
Sulfacetamide sodium powder meeting ophthalmic pharmacopeial standards, classified under HTS 2935.90.32.00 as a named sulfonamide drug. This high-purity form is used in manufacturing eye drops and ointments for bacterial conjunctivitis treatment.
Sulfamethazine Sodium BP Veterinary API
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Sterile Acetylsulfisoxazole for Injection
Sterile acetylsulfisoxazole powder specifically named in HTS 2935.90.32.00, intended for reconstitution into injectable solutions treating severe bacterial infections. Meets cGMP standards for parenteral drug manufacturing.