# HTS 2939: Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives:

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Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=2939). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 2939: Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 2939 | Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives: |  |  |  |  |
|  |   Alkaloids of opium and their derivatives; salts thereof: |  |  |  |  |
| 2939.11.00.00 |     Concentrates of poppy straw; buprenorphine (INN); codeine, dihydrocodeine (INN), ethylmorphine, etorphine (INN), heroin, hydrocodone (INN), hydromorphone (INN), morphine, nicomorphine (INN), oxycodone (INN), oxymorphone (INN), pholcodine (INN), thebacon (INN) and thebaine; salts thereof | Free |  | 15.4¢/kg + 50% | kg |
| 2939.19 |     Other: |  |  |  |  |
| 2939.19.10.00 |       Papaverine and its salts | Free |  | 15.4¢/kg + 104% | kg |
|  |       Other: |  |  |  |  |
| 2939.19.20.00 |         Synthetic | Free |  | 15.4¢/kg + 50% | kg |
| 2939.19.50.00 |         Other | Free |  | 10.6¢/g | g |
| 2939.20.00 |   Alkaloids of cinchona and their derivatives; salts thereof | Free |  | Free |  |
| 2939.20.00.10 |     Quinine and its salts | Free |  | Free | g |
| 2939.20.00.50 |     Other | Free |  | Free | g |
| 2939.30.00.00 |   Caffeine and its salts | Free |  | 59% | kg |
|  |   Alkaloids of ephedra and their derivatives; salts thereof: |  |  |  |  |
| 2939.41.00.00 |     Ephedrine and its salts | Free |  | 15.4¢/kg + 59% | kg |
| 2939.42.00.00 |     Pseudoephedrine (INN) and its salts | Free |  | 15.4¢/kg + 59% | kg |
| 2939.43.00.00 |     Cathine (INN) and its salts | Free |  | 15.4¢/kg + 59% | kg |
| 2939.44.00.00 |     Norephedrine and its salts | Free |  | 15.4¢/kg + 59% | kg |
| 2939.45.00.00 |     Levometamfetamine, metamfetamine (INN), metamfetamine racemate and their salts | Free |  | 25% | kg |
| 2939.49.03.00 |     Other | Free |  | 15.4¢/kg + 59% | kg |
|  |   Theophylline and aminophylline (theophylline- ethylenediamine) and their derivatives; salts thereof: |  |  |  |  |
| 2939.51.00.00 |     Fenetylline (INN) and its salts | Free |  | 25% | kg |
| 2939.59.00.00 |     Other | Free |  | 25% | kg |
|  |   Alkaloids of rye ergot and their derivatives; salts thereof: |  |  |  |  |
| 2939.61.00.00 |     Ergometrine and its salts | Free |  | 25% | kg |
| 2939.62.00.00 |     Ergotamine and its salts | Free |  | 25% | kg |
| 2939.63.00.00 |     Lysergic acid and its salts | Free |  | 25% | kg |
| 2939.69.00.00 |     Other | Free |  | 25% | kg |
|  |   Other, of vegetal origin: |  |  |  |  |
| 2939.72.00.00 |     Cocaine, ecgonine; salts, esters and other derivatives thereof | Free |  | 25% | kg |
| 2939.79.00 |     Other | Free |  | 25% |  |
| 2939.79.00.10 |       Atropine (INN) and its salts | Free |  | 25% | kg |
| 2939.79.00.90 |       Other | Free |  | 25% | kg |
| 2939.80.00 |   Other | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 30.5% |  |
| 2939.80.00.10 |     Saxitoxin | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 30.5% | kg |
| 2939.80.00.50 |     Other | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 30.5% | kg |
|  |   XIII. OTHER ORGANIC COMPOUNDS |  |  |  |  |