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2933.59.59.00/Trifluridine Pure Substance/Mexico

Trifluridine Pure Substance from Mexico

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 — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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

Trifluridine Pure Substance from Mexico — Import Duty Rate | HTS 2933.59.59.00