Tryptophan from Japan
L-Tryptophan is an essential amino acid featuring an indole side chain attached to the alanine backbone. It is classified under tariff item 2933.99.00 because the heterocyclic nitrogen compound takes precedence over the amino acid function. This compound is used in pharmaceutical, nutritional, and animal feed applications.
Duty Rate — Japan → Canada
0%
Import Tips
• Provide the CAS number (73-22-3) and purity certificate on the commercial invoice
• If the product is for animal feed, verify CFIA import requirements
• If for human consumption, ensure compliance with Health Canada regulations for natural health products