THC Pharmaceutical Reference Standard from China
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 — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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