Isonicotinic Acid Hydrazide (INH, Isoniazid Bulk) from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• FDA bulk drug substance registration required; provide USP certificate and hydrazide confirmation
• Not for direct patient use labeling