</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2939.20.00/Quinidine Base/China

Quinidine Base from China

Quinidine base, the dextrorotatory cinchona alkaloid, precursor for antiarrhythmic drugs. Classified HTS 2939.20.00 as natural/reproduced cinchona alkaloid per full heading scope. Bulk powder for salt formation in pharma.

Duty Rate — China → United States

0%

Rate breakdown

9903.05.860%Universal product exemption (U.S. note 52(b))
Calculate with your customs valueVerify classification with AI

Import Tips

• Chiral purity verification via polarimetry essential; DEA precursor monitoring applies; validate against BP/USP standards

Quinidine Base from China — Import Duty Rate | HTS 2939.20.00