Pharma-Grade Maleic Anhydride Crystals from Japan
Pharmaceutical grade maleic anhydride crystals with <10 ppm heavy metals, under HTS 2917.14.5000 as pure acyclic anhydride. Intermediate for maleate salt formation in drug synthesis.
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
• Provide USP/EP certificate even though tariff remains Chapter 29 chemical
• Heavy metals analysis (<10 ppm) prevents Chapter 28 inorganic classification
• File FDA prior notice for human pharmaceutical intermediate imports