Phenylbutazone API from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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