Carfentanil Oxalate
Carfentanil oxalate is an extremely potent fentanyl analog used primarily in veterinary medicine. As a salt of a fentanyl derivative, it is classified with the parent compound under chapter note 5(C)(1), falling within tariff item 2934.92.00.
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 product is not classified as a fentanyl derivative
Other heterocyclic compounds may apply if the derivative relationship is not established.
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
• Carfentanil is highly regulated; you need a controlled substance import permit from Health Canada
• Due to its potency, ensure secure transport and proper documentation of quantities
• CBSA may require additional verification of the product's end-use
Related Products under Tariff item 2934.92.00
Acetylfentanyl
Acetylfentanyl is a synthetic opioid that is a derivative of fentanyl, specifically an N-acetyl analog. As a separate chemically defined organic compound with a heterocyclic structure, it falls under tariff item 2934.92.00 for other fentanyls and their derivatives.
Alfentanil Hydrochloride
Alfentanil hydrochloride is a short-acting synthetic opioid and a fentanyl derivative, featuring a modified piperidine ring. As a salt of an organic base, it is classified with the parent compound under chapter note 5(C)(1), making it eligible for tariff item 2934.92.00.
Butyrylfentanyl
Butyrylfentanyl is an N-butyryl analog of fentanyl, making it a derivative of the parent compound. It is a separate chemically defined organic compound with a heterocyclic structure, qualifying under tariff item 2934.92.00 for other fentanyls.
Fentanyl Citrate
Fentanyl citrate is the citrate salt of fentanyl, a synthetic opioid with a heterocyclic structure. As an inorganic salt of an organic base, it is classified with the parent compound under chapter note 5(C)(1), making it a derivative under tariff item 2934.92.00.
Fentanyl Hydrochloride
Fentanyl hydrochloride is the hydrochloride salt of fentanyl, a core synthetic opioid with a heterocyclic piperidine ring. As a salt of an organic base, it is classified with the parent compound under chapter note 5(C)(1), falling under tariff item 2934.92.00 for fentanyl derivatives.
Furanylfentanyl
Furanylfentanyl is a fentanyl analog with a furan ring substitution, making it a derivative of the parent compound. As a separate chemically defined heterocyclic organic compound, it qualifies under tariff item 2934.92.00 for other fentanyls.