Trityl Chloride for Pharmaceutical Synthesis from China
High-purity trityl chloride designed for pharmaceutical applications is a halogenated aromatic hydrocarbon derivative classified under tariff item 2903.99.00. It protects hydroxyl groups in multi-step syntheses of pharmaceutical compounds.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product meets pharmaceutical purity standards and is a separate chemically defined compound
• Keep documentation of the intended pharmaceutical use
• Verify the product is not put up in measured doses or retail sale forms