Trityl Chloride for Pharmaceutical Synthesis from Mexico
High-purity trityl chloride designed for pharmaceutical applications is a halogenated aromatic hydrocarbon derivative specifically enumerated under HTS 2903.99.15.00. It protects hydroxyl groups in multi-step syntheses of antiviral drugs and APIs.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Obtain FDA Drug Master File references if destined for pharma use; ensure labeling meets GHS standards for irritants; avoid bulk imports without prior EPA TSCA notification