2933.39.41.00/Sulfapyridine/Canada

Sulfapyridine from Canada

Sulfapyridine, a sulfonamide antibiotic with pyridine ring, treats dermatitis herpetiformis. Classified HTS 2933.39.41.00 as pyridine-containing drug despite sulfonamide group, per Chapter 29 numerical order rule. Bulk API for dermatological applications.

Duty Rate — Canada → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Sulfonation documentation confirming pyridine attachment per Chapter Note 4

• Antibiotic sensitivity testing supporting therapeutic classification

• Monitor for veterinary vs human grade distinctions in end-use statements

Sulfapyridine from Canada — Import Duty Rate | HTS 2933.39.41.00