Imidazole Pharmaceutical Grade from Japan
Imidazole (1H-imidazole), a five-membered nitrogen heterocyclic ring compound used as pharmaceutical intermediate and antifungal agent. HTS 2933.99.9701 covers this azole heterocycle with nitrogen hetero-atoms only, not specified elsewhere.
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 NMR/GC certificate proving unsubstituted structure; derivatives go to 2933.29
• Pharma imports need DMF filing; avoid bulk packaging mistaken for industrial chemical
• Anti-caking agents allowed per note (f) but must document transport necessity