Quinidine Base from Japan
Quinidine free base extracted from cinchona bark, precursor for all quinidine salts used in cardiology. HTS 2939.20.0050 as other cinchona alkaloid. High enantiomeric purity required.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Chiral HPLC confirming >99% (-)-quinidine
• Absence of quinine diastereomer <0.2%
• Storage under nitrogen to prevent oxidation