D-Arabinose USP Reference Standard from Japan
Pharmaceutical grade D-Arabinose certified as USP reference standard for analytical method validation and quality control in drug manufacturing. Classified under HTS 2940.00.20.00 as chemically pure D-Arabinose meeting pharmacopeia specifications. Used for HPLC calibration and assay standardization.
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
• Include USP certificate and lot-specific CoA; FDA prior notice required for pharmaceutical standards
• Ship in original sealed packaging to maintain chain of custody for pharmacopeia compliance
• Avoid bulk packaging declarations; reference standards must show individual unit dosing