Prosultiamine Vitamin B1 Derivative from United States
Prosultiamine is a prodrug ester of thiamine that exhibits high lipid solubility, making it suitable for neurological applications. It is primarily used as a vitamin B1 derivative in therapeutic contexts. This product falls under tariff item 2936.22.00 as a derivative of vitamin B1.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is classified correctly as a vitamin B1 derivative and not as a pharmaceutical preparation
• Provide evidence of its use in therapeutics to support the classification
• Verify if any special permits are needed for importing this compound