N-Methylphenazone from China
N-Methylphenazone is an N-alkylated derivative of phenazone, retaining the unfused pyrazole ring. It is used in organic synthesis and as a pharmaceutical intermediate. This compound is classified under tariff item 2933.11.00 as a phenazone derivative.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is a separate chemically defined compound for classification
• Provide a certificate of analysis to confirm the molecular structure
• If used in drug manufacturing, comply with Good Manufacturing Practices (GMP) documentation