Fenproporex Sulfate Salt
Fenproporex sulfate is an acidic salt derivative of fenproporex (INN), a nitrile-function compound explicitly listed in tariff item 2926.30.00. This form enhances stability for laboratory synthesis of anorectic agents. It is classified as a salt of the named INN compound.
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 sulfate salt is classified as a separate derivative rather than a salt
Other nitrile-function compounds not specifically named may fall under the 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
• Ensure the sulfate salt is documented as a fenproporex salt for customs clearance
• Check if a controlled substance import permit is required from Health Canada
• Provide a certificate of analysis to confirm the product's identity and purity
Related Products under Tariff item 2926.30.00
4-Cyano-2-dimethylamino-4,4-diphenylbutane
4-Cyano-2-dimethylamino-4,4-diphenylbutane is a specific nitrile-function organic compound explicitly named in tariff item 2926.30.00 as methadone (INN) intermediate. It is used primarily as an intermediate in the synthesis of methadone, a pharmaceutical opioid. This compound is classified directly under this tariff item.
4-Cyano-2-dimethylamino-4,4-diphenylbutane Hydrochloride
The hydrochloride salt of 4-cyano-2-dimethylamino-4,4-diphenylbutane is a chemically defined salt of the methadone intermediate. Tariff item 2926.30.00 covers the methadone intermediate and its salts, making this hydrochloride salt classifiable under this item. It is classified as a salt of the named compound.
Fenproporex Acetate
Fenproporex acetate is the acetic acid salt of fenproporex (INN), a nitrile-function organic compound. As a salt of a named INN compound, it is classified under tariff item 2926.30.00, which covers fenproporex and its salts. This form is used as a volatile analytical standard in toxicology laboratories.
Fenproporex Base Powder
Pure fenproporex base is the free amine form of this INN nitrile compound, explicitly named in tariff item 2926.30.00. As a separate chemically defined organic compound with a nitrile function, it falls directly under this item. It is used in research and analytical applications.
Fenproporex Citrate
Fenproporex citrate is a stable salt formed between fenproporex (INN) and citric acid. Tariff item 2926.30.00 covers fenproporex and its salts, making this citrate salt classifiable under this item. It is used in analytical standards for doping control testing.
Fenproporex Free Base Analytical Grade
Analytical grade fenproporex base with purity above 99.5% is the INN compound itself, explicitly covered by tariff item 2926.30.00. This high-purity form is essential for synthesis of radiolabeled tracers in PET imaging research. It is packaged under nitrogen to prevent oxidation.