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Vitamin B3 Niacinamide API

Active pharmaceutical ingredient (API) niacinamide for prescription and OTC vitamin formulations. HTS 2936.29.16.30 covers unmixed niacinamide as provitamin/vitamin derivative. Chemically pure per USP/EP monographs.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+100.0%100%
🇲🇽MexicoFree+100.0%100%
🇨🇦CanadaFree+100.0%100%
🇩🇪GermanyFree+15.0%15%
🇯🇵JapanFree+15.0%15%

Alternative Classifications

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

3003.39Lower: 12.5% vs 100%

If imported as bulk capsules/powder for retail

Medicaments in bulk dosage forms move to Ch.30; only unmixed bulk chemicals stay in Ch.29.

2933.99.97Lower: 19% vs 100%

If structurally misidentified as heterocyclic intermediate

Niacinamide's pyridine structure could err to 2933, but vitamin function prevails per last numerical order rule.

3824.99Lower: 17.5% vs 100%

If with safety stabilizers rendering it transport-specific

Exceeding Chapter note (e)/(f) solvent/stabilizer limits creates Ch.38 preparation.

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

• Register as API with FDA DMF if >$2.2M annual imports; provide stability data for shelf-life claims; ensure DMF Type II for manufacturing process

Related Products under HTS 2936.29.16.30