4-Hydroxyphenylpyruvic Acid from Mexico
4-Hydroxyphenylpyruvic acid is a keto acid with an aromatic ring, a hydroxy group, a carboxylic acid, and a ketone function. It is a separate chemically defined compound, and while it has a hydroxy group, the ketone and carboxylic acid functions are the defining features, placing it in tariff item 2918.30.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the product is not classified as a phenolic compound under another heading, as the hydroxy group could be considered an additional oxygen function
• Provide the CAS number and purity data
• Check if the product is used in pharmaceutical applications requiring Health Canada approval