Mandelic Acid Propargyl Ester from United States
Mandelic acid propargyl ester is an ester of mandelic acid with a propargyl group, retaining the alcohol-carboxylic function. Per Chapter 29 Note 5(A), it is classified with the acid component in this tariff item. It is used as a click chemistry reagent.
Duty Rate — United States → Canada
PGA flags (2)Show detailsHide detailsCFIAAll ProgramsRequiredHCActive Pharmaceutical IngredientsMay be required
- CFIA
All Programs · Required
CANADIAN FOOD INSPECTION AGENCY: CFIA All Programs requires review / declaration data. CBSA's Single Window matching criteria match this classification number (Equal To 2918190000).
- HC
Active Pharmaceutical Ingredients · May be required
May require HC Active Pharmaceutical Ingredients depending on intended use (HC13) and Canadian product category (HC01). Matching criteria: Starts With 2918. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
Import Tips
• Verify the ester is pure and free of residual mandelic acid
• Provide the chemical structure and purity data
• If used in click chemistry, declare the end use to support classification