Pentoxifylline Research Grade from Mexico
Pentoxifylline is 3,7-dimethyl-1-(5-oxohexyl)xanthine, a theophylline derivative with a hemorheologic action. It is a separate chemically defined compound, classified under tariff item 2939.59.00 as 'Other' theophylline derivatives. The product is a research-grade chemical.
Duty Rate — Mexico → Canada
0%
Import Tips
• For research-grade material, provide a statement of use to CBSA to avoid classification as a pharmaceutical
• Ensure the product is not put up in measured doses; otherwise, Section VI Note 2 may apply
• Keep records of the synthesis route to substantiate the derivative claim