NPP Laboratory Research Grade (>99%) from China
High-purity N-Phenethyl-4-piperidone (NPP) at greater than 99% purity, packaged for laboratory research. Classification is based on chemical identity, not end-use, so the research-grade designation does not affect the tariff item. It is a separate chemically defined heterocyclic compound with an unfused piperidone ring.
Duty Rate — China → Canada
0%
Import Tips
• Label the product clearly as 'research use only' but note that end-use does not change classification
• Keep the purity certificate (e.g
• HPLC) for customs verification
• If importing for R&D, check if any Canadian scientific research exemptions apply to duties