2939Alkaloids, natural or reproduced by synthesis, and their salts, ethers
HTS Code 2939 covers any article best defined as Products of the Chemical or Allied IndustriesOrganic chemicalsAlkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives: in the Harmonized Tariff Schedule — covering 19 sub-classifications.
Tariff updates
Recent US tariff actions that name 2939 or its heading.
- Oct 16, 2026 · CBP guidanceCBP issues HSU 2625 with Section 232 pharmaceutical updates and CPSC flag changes
- Dec 18, 2025 · PublishedUS cuts reciprocal tariff on Swiss and Liechtenstein goods to 15% all-in, exempts certain products
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New tariff action affects 1 of your imports
If a new 10% tariff were added
Relevant HTS Notes
Official USITC notes that may affect classification under HTS 2939.
Search CROSS Rulings for HTS 2939
See how Customs classified similar products. CBP's CROSS database holds the classification rulings that cite 2939.
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What does HTS code 2939 cover?
HTS code 2939 covers alkaloids, natural or reproduced by synthesis, and their salts, ethers (Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives:), classified under Chapter 29 (Organic chemicals) in the US Harmonized Tariff Schedule. There are 19 more specific sub-classifications under this code.
Primary Sources
The official documents behind the rates and tariffs on this page. Duties are worked out from them; check the legal text before you file.