trans-Ferulic Acid USP from Germany
trans-Ferulic acid USP grade is a specified isomer of hydroxycinnamic acid, classified under this tariff item as a carboxylic acid with phenol function. This pharmaceutical antioxidant standard is a separate chemically defined organic compound, meeting the chapter's requirements for classification.
Duty Rate — Germany → Canada
0%
Import Tips
• Confirm the USP grade and isomer purity with a certificate of analysis
• If the product is for pharmaceutical use, ensure it is not put up in measured doses for retail sale
• Check if any added substances are present, as they must be necessary for preservation or transport