Quinidine Sulfate

Quinidine sulfate is a cinchona alkaloid salt used as an antiarrhythmic agent to treat heart rhythm disorders. Classified under HTS 2939.20.00 as a salt derivative of cinchona alkaloids, it meets chapter 29 requirements for separate chemically defined organic compounds. Imported as a fine powder for compounding into cardiac medications.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFreeFree
🇲🇽MexicoFreeFree
🇨🇦CanadaFreeFree
🇩🇪GermanyFreeFree
🇯🇵JapanFreeFree

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.

3003.39Higher: 10% vs Free

If formulated into oral tablets or injectables

Finished pharmaceutical products shift to Chapter 30 classification regardless of alkaloid content.

2939Same rate: Free

If primarily opium alkaloids present

Mixtures classified to the heading occurring last numerically, but pure cinchona takes precedence here.

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Import Tips & Compliance

Verify DEA registration as quinidine is a controlled substance; ensure GMP certification for active pharmaceutical ingredient status; label clearly to distinguish from quinine to prevent therapeutic mix-ups

Related Products under HTS 2939.20.00

Quinine Sulfate Dihydrate

Quinine sulfate dihydrate is a salt of the cinchona alkaloid quinine, used primarily as an antimalarial drug and for treating leg cramps. It falls under HTS 2939.20.00 as a derivative salt of cinchona alkaloids, fitting chapter 29's scope for chemically defined organic compounds and their salts. This white crystalline powder is typically imported in bulk for pharmaceutical manufacturing.

Cinchonidine Sulfate

Cinchonidine sulfate, derived from cinchona bark, serves as an intermediate in organic synthesis and alkaloid resolution. It qualifies for HTS 2939.20.00 as a salt of cinchona alkaloids, aligning with chapter notes for chemically defined compounds and their salts. Typically imported as a research chemical or API precursor.

Quinine Hydrochloride

Quinine hydrochloride is the hydrochloride salt of quinine, used intravenously for severe malaria treatment. It is classified under HTS 2939.20.00 per chapter note (C)(1) for inorganic salts of organic compounds following the parent alkaloid heading. This soluble salt form facilitates medical administration.

Quinine Gluconate

Quinine gluconate is a gluconate salt of quinine used in intramuscular malaria treatments with reduced toxicity. HTS 2939.20.00 applies as a salt derivative of cinchona alkaloids per chapter notes on salt classification following the organic base. Imported for hospital pharmacy compounding.

Cinchonine Hydrochloride

Cinchonine hydrochloride, a salt from cinchona, acts as a chiral resolving agent in pharmaceutical synthesis. Classified in HTS 2939.20.00 as a chemically defined salt of cinchona alkaloids per chapter 29 scope. Used in laboratories for asymmetric synthesis applications.

Quinidine Gluconate

Quinidine gluconate treats atrial fibrillation via oral administration as a cinchona alkaloid salt. Falls under HTS 2939.20.00 following chapter salt classification rules for organic bases. Bulk imported for sustained-release tablet production.