Pharmaceutical Grade Cathine (S)-Cathine Tartrate from Mexico
(S)-Cathine tartrate is the tartrate salt of the specific enantiomer of cathine, a synthetic reproduction of the natural ephedra alkaloid, meeting USP standards for drug intermediates. As a salt of cathine, it is classified under tariff item 2939.43.00, which includes cathine (INN) and its salts.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the enantiomeric purity is documented, as this may affect classification and regulatory oversight
• Provide a letter of analysis from the manufacturer to confirm the product meets USP standards
• Consult with CBSA in advance if you are unsure about the tariff classification of the tartrate salt