HTS heading 2937 · Chapter 29
HTS 2937: Hormones, prostaglandins, thromboxanes and…
HTS heading 2937 covers hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones. It has 17 tariff lines with a duty rate; the general (MFN) rates are Free (17 lines).
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues: | |||||
| 2937.11.00.00 | Somatotropin, its derivatives and structural analogues[g] | Free | 10% | Estimate → | |
| 2937.12.00.00 | Insulin and its salts[g] | Free | 10% | Estimate → | |
| 2937.19.00.00 | Other[g] | Free | 25% | Estimate → | |
| Steroidal hormones, their derivatives and structural analogues: | |||||
| 2937.21.00 | Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone) | Free | 25% | ||
| 2937.21.00.10 | Cortisone[g] | Estimate → | |||
| 2937.21.00.20 | Hydrocortisone[g] | Estimate → | |||
| 2937.21.00.30 | Prednisone[g] | Estimate → | |||
| 2937.21.00.40 | Prednisolone[g] | Estimate → | |||
| 2937.22.00 | Halogenated derivatives of adrenal cortical hormones | Free | 25% | ||
| 2937.22.00.10 | Dexamethasone (INN) and its salts[g] | Estimate → | |||
| 2937.22.00.90 | Other[g] | Estimate → | |||
| 2937.23 | Estrogens and progestins: | ||||
| 2937.23.10 | Obtained directly or indirectly from animal or vegetable materials | Free | 25% | ||
| 2937.23.10.10 | Estrogens[g] | Estimate → | |||
| Other: | |||||
| 2937.23.10.20 | Progesterone[kg] | Estimate → | |||
| 2937.23.10.50 | Other[kg] | Estimate → | |||
| Other: | |||||
| 2937.23.25.00 | Estradiol benzoate; and Estradiol cyclopentylpropionate (Estradiol cypionate)[g] | Free | 15.4¢/kg + 49% | Estimate → | |
| 2937.23.50 | Other | Free | 15.4¢/kg + 78.5% | ||
| 2937.23.50.10 | Estrogens[g] | Estimate → | |||
| Other: | |||||
| 2937.23.50.20 | Progesterone[g] | Estimate → | |||
| 2937.23.50.50 | Other[g] | Estimate → | |||
| 2937.29 | Other: | ||||
| 2937.29.10.00 | Desonide; andNandrolone phenproprionate[g] | Free | 15.4¢/kg + 49% | Estimate → | |
| 2937.29.90 | Other | Free | 25% | ||
| 2937.29.90.20 | Salts and esters of hydrocortisone[g] | Estimate → | |||
| 2937.29.90.30 | Salts and esters of prednisone[g] | Estimate → | |||
| 2937.29.90.40 | Salts and esters of prednisolone[g] | Estimate → | |||
| 2937.29.90.50 | Anabolic agents and androgens[g] | Estimate → | |||
| 2937.29.90.95 | Other[g] | Estimate → | |||
| 2937.50.00.00 | Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues[g] | Free | 25% | Estimate → | |
| 2937.90 | Other: | ||||
| Catecholamine hormones, their derivatives and structural analogues: | |||||
| 2937.90.05.00 | Epinephrine[g] | Free | 15.4¢/kg + 49% | Estimate → | |
| Other: | |||||
| 2937.90.10.00 | Epinephrine hydrochloride[g] | Free | 15.4¢/kg + 49% | Estimate → | |
| 2937.90.20.00 | Other[g] | Free | 25% | Estimate → | |
| Amino-acid derivatives: | |||||
| 2937.90.40.00 | l-Thyroxine (Levothyroxine), sodium[kg] | Free | 15.4¢/kg + 49% | Estimate → | |
| 2937.90.45.00 | Other[g] | Free | 25% | Estimate → | |
| 2937.90.90.00 | Other[g] | Free | 25% | Estimate → | |
| XII. GLYCOSIDES AND ALKALOIDS, NATURAL OR REPRODUCED BY SYNTHESIS, AND THEIR SALTS, ETHERS, ESTERS AND OTHER DERIVATIVES |
34 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 2937.11.00.00 at the general rate of Free, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (Free) | $0.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $47.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.