4-Fluorophenylalanine from Mexico
4-Fluorophenylalanine is a halogenated aromatic amino acid used in PET imaging tracers and protein engineering. The fluorine substitution does not alter its oxygen-function amino-acid classification, and it is a separate chemically defined compound under tariff item 2922.49.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Provide a certificate of analysis showing the compound's purity and identity
• If used in research, indicate the end-use to avoid misclassification as a pharmaceutical
• Keep records of the chemical synthesis route if requested by CBSA