High-Purity 2-Isopropyl-5-methylcyclohexanol Stereoisomer Blend from Canada
Purified blend of menthol stereoisomers (cis/trans) meeting the exact ≥90% total and ≤30% single isomer criteria of HTS 2906.19.10.00. Applied in transdermal patches and cooling cosmetics.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide stereoisomer ratio analysis via chiral chromatography for customs verification
• Ensure pharma-grade packaging prevents moisture absorption affecting purity specs
• Declare intended end-use as it may trigger FDA cosmetic ingredient notifications