Phenylbutazone API

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
πŸ‡¨πŸ‡³China6.5%+25.0%31.5%
πŸ‡²πŸ‡½Mexico6.5%β€”6.5%
πŸ‡¨πŸ‡¦Canada6.5%β€”6.5%
πŸ‡©πŸ‡ͺGermany6.5%β€”6.5%
πŸ‡―πŸ‡΅Japan6.5%β€”6.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2924.29Lower: 16.5% vs 31.5%

If classified primarily by carboxamide function

Carboxyamide compounds in 2924 take precedence if that function occurs later in numerical order.

2934.99.15.00Lower: 6.5% vs 31.5%

If for nucleic acid derivative drugs

Nucleic acids and derivatives classified in 2934 regardless of imine functionality.

3824.99Lower: 15% vs 31.5%

If mixture exceeds 95% purity threshold

Technical grade mixtures fall under 3824 if not meeting 'separate chemically defined' criteria.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

β€’ Include veterinary drug approval documentation if for animal use; human use requires Rx status

β€’ Provide polymorph characterization to prevent classification disputes under crystal form rules

β€’ Ensure proper DEA import permit for controlled substance precursors if applicable