THC Pharmaceutical Reference Standard from Mexico
Certified THC reference standard used for analytical testing, classified under HTS 2932.95.00.00 as a pure tetrahydrocannabinol isomer. Meets Chapter 29 requirements for chemically defined compounds with added stabilizers only for preservation/transport as permitted by note (f).
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 USP/NF or EP certificate of analysis confirming ≥99% purity and correct isomer configuration
• Declare as 'Reference Standard for Laboratory Use Only' to avoid therapeutic product scrutiny under Chapter 30