4-Phenylbutyric Acid from Japan
4-Phenylbutyric acid is a saturated acyclic monocarboxylic acid with a phenyl substituent on the butanoic acid chain. It is classified under this tariff item as an aromatic derivative of butanoic acid.
Duty Rate — Japan → Canada
0%
Import Tips
• Classify the product as a butanoic acid derivative and include the chemical name and CAS number on shipping documents
• If the product is for pharmaceutical use, ensure compliance with Health Canada regulations
• Be prepared to provide a Certificate of Analysis to confirm purity and identity