N-Hydroxysuccinimide (NHS) from Germany
N-Hydroxysuccinimide (NHS) is an activated ester/imide used in peptide synthesis and bioconjugation chemistry. Despite the hydroxy substitution, the imide ring structure qualifies it for tariff item 2925.19.00 as an imide derivative.
Duty Rate — Germany → Canada
0%
Import Tips
• Confirm the hydroxy group does not render the product classifiable as an alcohol
• Provide the chemical structure and purity analysis for CBSA