Adamantane from Mexico
Adamantane (C10H16) is a highly symmetrical tricyclic cyclane used in pharmaceutical intermediates and materials science. It falls under HTS 2902.19.0050 as a complex cyclane structure not specifically enumerated elsewhere.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include NMR spectra verification of adamantane's characteristic cage structure for Customs review
• Ship under IATA/IMO regulations as flammable solid; maintain inert atmosphere packaging
• Provide end-use statements distinguishing research chemical from bulk solvent applications