Loperamide Hydrochloride from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Verify R-configuration at chiral center per pharmacopeia
• OTC monograph product vs Rx affects documentation
• Limit impurities especially keto-loperamide per limits