Cidofovir from Japan
Cidofovir is a cytosine nucleotide analog (phosphonate nucleotide) used intravenously for cytomegalovirus retinitis in AIDS patients. As a chemically defined nucleic acid derivative drug with heterocyclic pyrimidine base, it falls under HTS 2934.99.4700. Contains phosphorus directly linked meeting Chapter 29 organo-inorganic criteria.
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
• Cold chain (-20°C) shipping required; FDA orphan drug designation documentation; phosphonate stability data essential for customs