Methyprylon USP Reference Standard from Mexico
> Methyprylon USP Reference Standard is a certified reference standard of the piperidinedione sedative-hypnotic methyprylon, used for quality control and analytical testing in pharmaceutical laboratories. It is a separate chemically defined compound, specifically named under tariff item 2933.72.00, and meets the criteria of Chapter 29 Note 1(a). The product is a lactam with a nitrogen hetero-atom ring.
Duty Rate — Mexico → Canada
0%
Import Tips
• > Include the USP certificate of analysis to confirm the product's identity and grade
• If the standard is for laboratory use only, state this clearly on the invoice to avoid misclassification as a pharmaceutical
• Ensure the product is packaged in appropriate laboratory quantities, not for retail sale