Lanosterol Crystal Form from Mexico
Lanosterol is a tetracyclic triterpenoid sterol serving as a cholesterol biosynthesis intermediate, classified under HTS 2906.13.5000 as an 'other' cyclanic cyclic alcohol. This pure compound qualifies under Chapter 29 for separate chemically defined sterols. Used primarily in biochemical research and skincare formulations.
Duty Rate — Mexico → United States
13.7%
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
• Declare as 'research chemical - not for human consumption'; provide NMR/GC purity certificates; avoid cosmetic claims on commercial invoice to prevent FDA cosmetic classification