HTS heading
2937Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones:
Rates as published in 2026 HTS Revision 15, captured 2026-08-13. Source: USITC Harmonized Tariff Schedule.
Current duty rates (17 lines)
| Code | Description | General | Special | Column 2 |
|---|---|---|---|---|
| 2937.11.00.00 | Somatotropin, its derivatives and structural analogues | Free | — | 10% |
| 2937.12.00.00 | Insulin and its salts | Free | — | 10% |
| 2937.19.00.00 | Other | Free | — | 25% |
| 2937.21.00 | Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone) | Free | — | 25% |
| 2937.22.00 | Halogenated derivatives of adrenal cortical hormones | Free | — | 25% |
| 2937.23.10 | Obtained directly or indirectly from animal or vegetable materials | Free | — | 25% |
| 2937.23.25.00 | Estradiol benzoate; and Estradiol cyclopentylpropionate (Estradiol cypionate) | Free | — | 15.4¢/kg + 49% |
| 2937.23.50 | Other | Free | — | 15.4¢/kg + 78.5% |
| 2937.29.10.00 | Desonide; andNandrolone phenproprionate | Free | — | 15.4¢/kg + 49% |
| 2937.29.90 | Other | Free | — | 25% |
| 2937.50.00.00 | Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues | Free | — | 25% |
| 2937.90.05.00 | Epinephrine | Free | — | 15.4¢/kg + 49% |
| 2937.90.10.00 | Epinephrine hydrochloride | Free | — | 15.4¢/kg + 49% |
| 2937.90.20.00 | Other | Free | — | 25% |
| 2937.90.40.00 | l-Thyroxine (Levothyroxine), sodium | Free | — | 15.4¢/kg + 49% |
| 2937.90.45.00 | Other | Free | — | 25% |
| 2937.90.90.00 | Other | Free | — | 25% |
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