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2933.39.92.00/Isonicotinic Acid Hydrazide (INH, Isoniazid Bulk)/Canada

Isonicotinic Acid Hydrazide (INH, Isoniazid Bulk) from Canada

Isoniazid is a pyridine-4-carboxylic acid hydrazide used as bulk active for tuberculosis treatment. Classified in HTS 2933.39.92.00 as 'other' unfused pyridine derivative per Chapter 29 notes for chemically defined compounds. Distinguish from finished pharmaceutical dosage forms.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• FDA bulk drug substance registration required; provide USP certificate and hydrazide confirmation

• Not for direct patient use labeling

Isonicotinic Acid Hydrazide (INH, Isoniazid Bulk) from Canada — Import Duty Rate | HTS 2933.39.92.00