Cidofovir from Mexico
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 — Mexico → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Cold chain (-20°C) shipping required; FDA orphan drug designation documentation; phosphonate stability data essential for customs