2-Acetylbenzo(b)thiophene Technical Grade from China
Technical-grade 2-acetylbenzo(b)thiophene at 95-98% purity is a chemically defined heterocyclic compound used in scale-up pharmaceutical synthesis. Its thiophene-benzene fused ring system classifies it under tariff item 2934.99.00. The technical grade designation reflects purity levels suitable for industrial applications, not consumer use.
Duty Rate — China → Canada
0%
Import Tips
• Document the purity percentage and provide the chemical structure for customs verification
• Confirm the product is not mixed with other compounds that would change classification
• Ensure proper hazardous material documentation if the product requires special handling