Biligrafin Acid from China
Biligrafin acid is a specific aromatic cyclic amide derivative used primarily as a contrast agent in medical imaging procedures like cholangiography. It is a separate chemically defined organic compound classified under cyclic amides of heading 29.24.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is not put up as a medicament for retail sale, which would shift classification to Chapter 30
• Keep a certificate of analysis showing the chemical identity and purity for customs
• Verify if the product requires a permit under the Canadian Food and Drugs Act