Alfentanil Hydrochloride USP
Alfentanil Hydrochloride is the hydrochloride salt of alfentanil, a synthetic opioid analgesic explicitly listed under tariff item 2933.33.00. Its molecular structure contains an unfused pyridine ring, satisfying the subheading requirement. This salt form is a separate chemically defined organic compound, classifiable here per Chapter 29 Note 1(a).
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 a salt of alfentanil but another derivative not specifically named
Other unfused pyridine-ring compounds not listed in 2933.33.00 fall under this residual subheading.
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
• Verify the product is accompanied by a valid controlled substance import permit from Health Canada, as alfentanil is a Schedule I narcotic
• Ensure the commercial invoice clearly states the INN name and salt form to avoid misclassification
• Declare the exact quantity in grams to align with CBSA and Health Canada reporting
Related Products under Tariff item 2933.33.00
Carfentanil Citrate
Carfentanil Citrate is the citrate salt of carfentanil, a potent fentanyl analogue explicitly named in tariff item 2933.33.00. The compound contains an unfused pyridine ring, meeting the subheading's structural requirement. As a salt of a listed compound, it is classified here under Chapter 29 Note 5(C)(1).
Diphenoxylate Hydrochloride USP
Diphenoxylate Hydrochloride is the hydrochloride salt of diphenoxylate, an antidiarrheal agent explicitly listed in tariff item 2933.33.00. Its structure includes an unfused pyridine ring, satisfying the subheading criteria. The salt form is a separate chemically defined organic compound, classifiable under Chapter 29 Note 1(a).
Fentanyl Citrate USP
Fentanyl Citrate is the citrate salt of fentanyl, a synthetic opioid agonist explicitly named in tariff item 2933.33.00. The compound contains an unfused pyridine ring, meeting the subheading's structural requirement. As a salt of a listed compound, it is classified here per Chapter 29 Note 5(C)(1).
Ketobemidone Hydrochloride
Ketobemidone Hydrochloride is the hydrochloride salt of ketobemidone, a synthetic opioid analgesic explicitly listed in tariff item 2933.33.00. Its molecular structure includes an unfused pyridine ring, satisfying the subheading criteria. The salt is a separate chemically defined organic compound, classifiable under Chapter 29 Note 1(a).
Methylphenidate Hydrochloride USP
Methylphenidate Hydrochloride is the hydrochloride salt of methylphenidate, a CNS stimulant explicitly named in tariff item 2933.33.00. The compound contains an unfused pyridine ring, meeting the subheading's structural requirement. As a salt of a listed compound, it is classified here under Chapter 29 Note 5(C)(1).
Pentazocine Lactate USP
Pentazocine Lactate is the lactate salt of pentazocine, a mixed opioid agonist-antagonist explicitly listed in tariff item 2933.33.00. Its structure includes an unfused pyridine ring, satisfying the subheading criteria. The salt is a separate chemically defined organic compound, classifiable under Chapter 29 Note 1(a).