Pyrazinamide USP Antituberculosis Drug from Japan
Pyrazinamide, a pyrazine carboxamide derivative, is explicitly listed in HTS 2933.99.4200 as an anti-infective pharmaceutical. This first-line tuberculosis treatment is imported as pure USP powder for tablet manufacturing. Its aromatic heterocyclic structure with nitrogen hetero-atoms defines its Chapter 29 classification.
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
• Require DMF (Drug Master File) and bioequivalence data for API imports into US tablet production
• TB drugs face heightened FDA scrutiny; ensure GMP certification from manufacturing facility
• Confirm crystal form (polymorph) matches USP monograph to avoid reclassification issues