Trifluridine Pure Substance from Germany
Trifluridine is a fluorinated pyrimidine nucleoside used as an antiviral agent in ophthalmic solutions. Classifies under HTS 2933.59.59.00 for pyrimidine ring drugs not elsewhere specified. Chapter notes confirm nitrogen hetero-atom priority.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.04.6211.3%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Optical purity certificate essential for chiral pyrimidine derivatives
• Temperature-controlled shipping manifests prevent degradation claims
• Distinguish from trifluridine sodium salt which may classify differently