N,N'-(Dithiodi-2,1-phenylene)bisbenzamide from Mexico
N,N'-(Dithiodi-2,1-phenylene)bisbenzamide is a disulfide-linked bisbenzamide compound with two aromatic rings connected via an S-S bond and amide functionalities. It is used in pharmaceutical intermediates and polymer chemistry. As a separate chemically defined organo-sulphur compound with sulphur directly linked to carbon, it falls under heading 29.30 and tariff item 2930.90.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Verify the compound's purity and provide a certificate of analysis for customs clearance
• The disulfide bond is the key structural feature for classification; document the molecular structure
• Check if the product requires an import permit under the Food and Drugs Act if used in pharmaceutical applications