Cytidine Triphosphate (CTP) Disodium Salt from Japan
CTP disodium salt serves as a substrate in RNA polymerase reactions and pharmaceutical intermediates. It qualifies for HTS 2934.99.39.00 as a chemically defined nucleic acid salt listed in additional U.S. note 3.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include molecular weight verification and HPLC purity data in import documentation
• Label shipments with UN number for biochemical substances if applicable
• Confirm research institution affiliation for potential duty exemptions