Isopropylideneglycerol (Solketal) from Mexico
Solketal is a protected glycerol ether (acetonide) used as a chiral building block in synthesis. It meets HTS 2909.49.20.00 as a chemically defined glycerol ether derivative. Key intermediate for pharmaceuticals.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Provide NMR spectra confirming acetonide protection on glycerol
• Declare as research chemical if lab quantities to simplify entry