</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Tioconazole API from Japan

Tioconazole, a 1-substituted imidazole antifungal under HTS 2933.29.4500, targets vaginal candidiasis through ergosterol binding. Its unfused imidazole ring defines its Chapter 29 chemical classification as a pharmaceutical drug substance.

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

Vaginal absorption profile data required; FDA specific concerns for mucosal APIs

Preservative efficacy testing mandatory for multi-dose container closure systems

pH stability profile (4.0-7.0 range) documentation prevents import delays