D-Gluconic Acid Powder USP Grade from Japan
Pharmaceutical-grade D-gluconic acid powder meets USP standards for purity, classified under HTS 2918.16.10.00 as the pure carboxylic acid with alcohol function. Used in drug formulations and as a buffering agent in pharmaceuticals.
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
• Provide USP certificate and stereochemical analysis confirming D-isomer purity for pharmaceutical import compliance
• Declare exact assay percentage (>98%) to distinguish from technical grade under same HTS
• Comply with FDA prior notice requirements for pharmaceutical intermediates