Thymidine Monophosphate (dTMP) from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide deoxyribose confirmation via enzymatic digestion analysis
• Use nuclease-free water reconstitution instructions
• Declare polymerase chain reaction (PCR) grade if applicable