Quinidine Sulfate Dihydrate from China
Quinidine sulfate dihydrate is the principal antiarrhythmic salt form of quinidine from cinchona, used in oral solid dosage forms. Falls under HTS 2939.20.0050 as other cinchona derivatives. Pharmaceutical grade with defined hydrate.
Duty Rate — China → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Certificate must specify dihydrate water content (9-10.5%)
• Provide polymorphic form identification (Form I vs II)
• Include microbial limits testing for oral grade API