Spermine Tetrahydrochloride from China
Spermine tetrahydrochloride is the tetrahydrochloride salt of spermine, a naturally occurring polyamine with four amino groups. It is used in biochemical research, particularly in studies of cell growth and nucleic acid interactions. As a salt of an acyclic polyamine, it is classified under this tariff item.
Duty Rate — China → Canada
0%
Import Tips
• Include the CAS number (306-67-2) and a certificate of analysis to confirm the product's identity and purity for CBSA
• Verify that the product is not classified as a pharmaceutical intermediate under heading 29.33 if it contains heterocyclic rings
• Check whether the product requires an import permit under the Controlled Drugs and Substances Act if intended for research involving controlled substances