NPP Custom Synthesis Intermediate from Japan
Custom-produced N-Phenethyl-4-piperidone (NPP) synthesized for specific pharmaceutical campaigns, with purity verified by HPLC. It is a separate chemically defined compound with an unfused piperidone ring, matching the tariff item's scope. The custom nature does not affect classification, as the chemical identity determines the heading.
Duty Rate — Japan → Canada
0%
Import Tips
• Maintain a certificate of analysis from the manufacturer showing HPLC purity and structural confirmation
• Provide a detailed synthesis description to CBSA if requested, to verify the compound's identity
• Ensure the product is not mixed with other substances that could alter classification