Biligrafin Acid Pharmaceutical Grade Powder from Japan
High-purity biligrafin acid powder meets USP standards for synthesis of gallbladder contrast agents. Explicitly under HTS 2924.29.0500 as a named aromatic amide derivative, fitting chapter 29 for chemically defined organic compounds without impurities affecting classification.
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
• Require GMP or USP certificates; declare exact CAS (98-30-6 equivalent) to prevent reclassification
• Pitfall: bulk vs retail packing shifts to chapter 30