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Dapiprazole API

Dapiprazole is an aromatic imine alpha-adrenergic blocker used in ophthalmic solutions for miosis reversal. Classified under HTS 2925.29.20.00 as a drug with imine-function aromatic structure. Bulk API for eye drop formulation.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+118.5%125%
🇲🇽Mexico6.5%+93.5%100%
🇨🇦Canada6.5%+93.5%100%
🇩🇪Germany6.5%+8.5%15%
🇯🇵Japan6.5%+8.5%15%

Alternative Classifications

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

2933.39.61Lower: 19% vs 125%

If ergot alkaloid derivative characteristics

Ergot alkaloids in 2933 take precedence over imine function.

3004.90Lower: 12.5% vs 125%

If when pre-formulated as ophthalmic solution

Ophthalmic medicaments classified as finished products in Chapter 30.

3824.99Lower: 17.5% vs 125%

If for diagnostic reagent mixtures

Prepared reagents for medical analysis fall outside pure drug classification.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Include preservative efficacy testing results for ophthalmic use

• Provide pH stability profile for ocular formulation compatibility

• Document imine hydrolysis stability under physiological conditions

Related Products under HTS 2925.29.20.00