sym-Diethyldiphenylurea Technical Grade from United States
sym-Diethyldiphenylurea Technical Grade (95-98% purity) is an aromatic ureine used in pharmaceutical intermediate production. It is classifiable under tariff item 2924.21.00 as a di-substituted ureine derivative, per Chapter 29's scope for separate chemically defined compounds.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the purity level and ensure impurities do not affect classification
• Provide a certificate of analysis for customs
• If used in pharmaceutical production, verify compliance with Health Canada's Good Manufacturing Practices