DChloramphenicol (Dextro Form) from Japan
> D-chloramphenicol is the D-threo isomer of chloramphenicol, the biologically active enantiomer. As a mixture of isomers of the same organic compound, Chapter 29 Note 1(b) includes it, and it is a chemically defined chloramphenicol derivative. It is correctly classified under tariff item 2941.40.00.
Duty Rate — Japan → Canada
0%
Import Tips
• > Provide optical rotation data and enantiomeric purity certificate to confirm the D-form
• Ensure the CAS number (e.g
• 147-64-8 for D-chloramphenicol) is clearly stated
• Verify if any special permits are required for importing this active pharmaceutical ingredient