Loperamide Hydrochloride from China
Loperamide HCl, antidiarrheal with piperidine ring attached to substituted diphenylmethane. Nitrogen hetero-atoms only in heterocyclic system. 2933.99.8290 other aromatic N-heterocycles. OTC and Rx antidiarrheal API.
Duty Rate — China → United States
6.5%
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
• Verify R-configuration at chiral center per pharmacopeia
• OTC monograph product vs Rx affects documentation
• Limit impurities especially keto-loperamide per limits