Pharmaceutical Grade Cathine (S)-Cathine Tartrate
(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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the tartrate salt is not considered a salt of cathine but a separate derivative
This alternative covers other ephedra alkaloid derivatives when the cathine salt classification does not apply.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
Related Products under Tariff item 2939.43.00
Cathine Hydrochloride
Cathine hydrochloride is the hydrochloride salt of cathine, a naturally occurring alkaloid derived from Ephedra plants and reproduced synthetically for pharmaceutical applications. It is a separate chemically defined organic compound, and as a salt of cathine, it falls under tariff item 2939.43.00, which covers cathine (INN) and its salts.
Cathine Phosphate Powder
Cathine phosphate is a stable phosphate salt of cathine alkaloid, chemically defined and produced synthetically for use as a pharmaceutical reference standard or active ingredient precursor. As a salt of cathine, it is classified under tariff item 2939.43.00, which specifically includes cathine (INN) and its salts.
Cathine Sulfate
Cathine sulfate is a pharmaceutically pure salt form of cathine (norpseudoephedrine), an ephedra-derived sympathomimetic alkaloid used in drug synthesis. As a salt of cathine, it falls under tariff item 2939.43.00, which covers cathine (INN) and its salts.
Research Grade Cathine Bromide
Research grade cathine bromide is a salt of cathine used for analytical chemistry and neuroscience studies, derived from synthetic reproduction of the ephedra alkaloid. As a salt of cathine, it falls under tariff item 2939.43.00, which covers cathine (INN) and its salts.