# HTS 2937: Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones:

https://geopax.app/tariffs/catalog/29/2937

Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=2937). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 2937: Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 2937 | Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones: |  |  |  |  |
|  |   Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues: |  |  |  |  |
| 2937.11.00.00 |     Somatotropin, its derivatives and structural analogues | Free |  | 10% | g |
| 2937.12.00.00 |     Insulin and its salts | Free |  | 10% | g |
| 2937.19.00.00 |     Other | Free |  | 25% | g |
|  |   Steroidal hormones, their derivatives and structural analogues: |  |  |  |  |
| 2937.21.00 |     Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone) | Free |  | 25% |  |
| 2937.21.00.10 |       Cortisone | Free |  | 25% | g |
| 2937.21.00.20 |       Hydrocortisone | Free |  | 25% | g |
| 2937.21.00.30 |       Prednisone | Free |  | 25% | g |
| 2937.21.00.40 |       Prednisolone | Free |  | 25% | g |
| 2937.22.00 |     Halogenated derivatives of adrenal cortical hormones | Free |  | 25% |  |
| 2937.22.00.10 |       Dexamethasone (INN) and its salts | Free |  | 25% | g |
| 2937.22.00.90 |       Other | Free |  | 25% | g |
| 2937.23 |     Estrogens and progestins: |  |  |  |  |
| 2937.23.10 |       Obtained directly or indirectly from animal or vegetable materials | Free |  | 25% |  |
| 2937.23.10.10 |         Estrogens | Free |  | 25% | g |
|  |         Other: | Free |  | 25% |  |
| 2937.23.10.20 |           Progesterone | Free |  | 25% | kg |
| 2937.23.10.50 |           Other | Free |  | 25% | kg |
|  |       Other: |  |  |  |  |
| 2937.23.25.00 |         Estradiol benzoate; and Estradiol cyclopentylpropionate (Estradiol cypionate) | Free |  | 15.4¢/kg + 49% | g |
| 2937.23.50 |         Other | Free |  | 15.4¢/kg + 78.5% |  |
| 2937.23.50.10 |           Estrogens | Free |  | 15.4¢/kg + 78.5% | g |
|  |           Other: | Free |  | 15.4¢/kg + 78.5% |  |
| 2937.23.50.20 |           Progesterone | Free |  | 15.4¢/kg + 78.5% | g |
| 2937.23.50.50 |           Other | Free |  | 15.4¢/kg + 78.5% | g |
| 2937.29 |     Other: |  |  |  |  |
| 2937.29.10.00 |       Desonide; andNandrolone phenproprionate | Free |  | 15.4¢/kg + 49% | g |
| 2937.29.90 |       Other | Free |  | 25% |  |
| 2937.29.90.20 |         Salts and esters of hydrocortisone | Free |  | 25% | g |
| 2937.29.90.30 |         Salts and esters of prednisone | Free |  | 25% | g |
| 2937.29.90.40 |         Salts and esters of prednisolone | Free |  | 25% | g |
| 2937.29.90.50 |         Anabolic agents and androgens | Free |  | 25% | g |
| 2937.29.90.95 |         Other | Free |  | 25% | g |
| 2937.50.00.00 |   Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues | Free |  | 25% | g |
| 2937.90 |   Other: |  |  |  |  |
|  |     Catecholamine hormones, their derivatives and structural analogues: |  |  |  |  |
| 2937.90.05.00 |       Epinephrine | Free |  | 15.4¢/kg + 49% | g |
|  |       Other: |  |  |  |  |
| 2937.90.10.00 |         Epinephrine hydrochloride | Free |  | 15.4¢/kg + 49% | g |
| 2937.90.20.00 |         Other | Free |  | 25% | g |
|  |     Amino-acid derivatives: |  |  |  |  |
| 2937.90.40.00 |       l-Thyroxine (Levothyroxine), sodium | Free |  | 15.4¢/kg + 49% | kg |
| 2937.90.45.00 |       Other | Free |  | 25% | g |
| 2937.90.90.00 |     Other | Free |  | 25% | g |
|  |   XII. GLYCOSIDES AND ALKALOIDS, NATURAL OR REPRODUCED BY SYNTHESIS, AND THEIR SALTS, ETHERS, ESTERS AND OTHER DERIVATIVES |  |  |  |  |