Phenylbutazone API from China
Phenylbutazone is an aromatic imine derivative used as a non-steroidal anti-inflammatory drug for veterinary and human pain relief. Classified under HTS 2925.29.20.00 as a drug with imine-function in its aromatic structure. Imported as bulk powder for tablet manufacturing.
Duty Rate — China → United States
44%
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 veterinary drug approval documentation if for animal use; human use requires Rx status
• Provide polymorph characterization to prevent classification disputes under crystal form rules
• Ensure proper DEA import permit for controlled substance precursors if applicable