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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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