Cinchonidine Base
Cinchonidine base is a naturally occurring cinchona alkaloid, chemically defined and isolated from cinchona bark. It is used as a resolving agent for racemic acids in pharmaceutical synthesis, which aligns with the scope of tariff item 2939.20.00 covering alkaloids of cinchona and their derivatives.
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:
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 product is a separate chemically defined compound, as per Chapter 29 Note 1(a), and not mixed with other alkaloids
• Have a certificate of analysis ready to confirm purity and identity for CBSA
• Verify whether the product requires a Controlled Drugs and Substances Act permit if used in pharmaceutical applications
Related Products under Tariff item 2939.20.00
Cinchonidine Sulfate
Cinchonidine sulfate is a salt of the cinchona alkaloid cinchonidine, formed with sulfuric acid. It serves as an intermediate in organic synthesis and alkaloid resolution, and is classified under tariff item 2939.20.00 as a salt of cinchona alkaloids per Chapter 29 Note 5(C)(1).
Cinchonine Base
Cinchonine base is a free alkaloid extracted from cinchona bark, used in stereoselective organic reactions. It is a chemically defined natural cinchona alkaloid, qualifying for tariff item 2939.20.00 which covers alkaloids of cinchona and their derivatives.
Cinchonine Hydrochloride
Cinchonine hydrochloride is a salt of the cinchona alkaloid cinchonine, used as a chiral resolving agent in pharmaceutical synthesis. It is classified under tariff item 2939.20.00 as a chemically defined salt of cinchona alkaloids, consistent with Chapter 29 salt classification rules.
Quinidine Base
Quinidine base is a dextrorotatory cinchona alkaloid used as a precursor for antiarrhythmic drugs. It falls under tariff item 2939.20.00 as a natural or synthetically reproduced cinchona alkaloid, per the heading's scope and Chapter 29 Note 1(a).
Quinidine Gluconate
Quinidine gluconate is a salt of quinidine, a cinchona alkaloid, used to treat atrial fibrillation. It is classified under tariff item 2939.20.00 as a salt of cinchona alkaloids, following Chapter 29 Note 5(C)(1) for inorganic salts of organic compounds.
Quinidine Hydrochloride Monohydrate
Quinidine hydrochloride monohydrate is a hydrated salt of quinidine, a cinchona alkaloid, used in cardiac drug production. It is classified under tariff item 2939.20.00 as a salt derivative of cinchona alkaloids, with the water of hydration considered an impurity or stabilizer per Chapter 29 Note 1(f).