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Thymidine Monophosphate (dTMP) from Japan

dTMP is a DNA precursor nucleotide used in replication studies and antiviral synthesis. Falls under HTS 2934.99.39.00 as an aromatic nucleic acid specified 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

Provide deoxyribose confirmation via enzymatic digestion analysis

Use nuclease-free water reconstitution instructions

Declare polymerase chain reaction (PCR) grade if applicable