Pharmaceutical Fumaric Acid (Dimethyl Fumarate Precursor) from Japan
Ultra-pure fumaric acid for synthesis of dimethyl fumarate (Skilarence® active ingredient for psoriasis). Meets HTS 2917.19.1700 as chemically defined acyclic polycarboxylic acid without Chapter 29 exclusions.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• File FDA Drug Establishment Registration for precursor chemicals
• Provide DMF reference or CEP for European-sourced material
• Limit impurities to ICH Q3A standards (<0.1% individual)