D-Arabinose USP Reference Standard from China
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 — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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