Benzofuran Sulfonate Pesticide Standard from United States
This analytical reference standard is a separate chemically defined compound with a benzofuran ring, an oxygen heterocycle. It is classified under heading 29.32 as a heterocyclic compound with oxygen hetero-atoms only, even though it is a laboratory standard.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the standard is not put up for retail sale, which would affect classification
• Have the certificate of analysis and CAS number ready for CBSA
• Verify if the product is exempt from pesticide registration as a laboratory standard