U.S. import tariffs · heading 2937

Heading 2937: Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by…

Every line of heading 2937 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.

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

Chapter 29: Organic chemicals. Schedule checked on November 8, 2026.

Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →

Tariff lines

HTS codeOfficial descriptionGeneral rate
2937.11.00.00Somatotropin, its derivatives and structural analoguesFree
2937.12.00.00Insulin and its saltsFree
2937.19.00.00OtherFree
2937.21.00Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone)Free
2937.21.00.10Cortisone
2937.21.00.20Hydrocortisone
2937.21.00.30Prednisone
2937.21.00.40Prednisolone
2937.22.00Halogenated derivatives of adrenal cortical hormonesFree
2937.22.00.10Dexamethasone (INN) and its salts
2937.22.00.90Other
2937.23Estrogens and progestins:
2937.23.10Obtained directly or indirectly from animal or vegetable materialsFree
2937.23.10.10Estrogens
2937.23.10.20Progesterone
2937.23.10.50Other
2937.23.25.00Estradiol benzoate; and Estradiol cyclopentylpropionate (Estradiol cypionate)Free
2937.23.50OtherFree
2937.23.50.10Estrogens
2937.23.50.20Progesterone
2937.23.50.50Other
2937.29Other:
2937.29.10.00Desonide; andNandrolone phenproprionateFree
2937.29.90OtherFree
2937.29.90.20Salts and esters of hydrocortisone
2937.29.90.30Salts and esters of prednisone
2937.29.90.40Salts and esters of prednisolone
2937.29.90.50Anabolic agents and androgens
2937.29.90.95Other
2937.50.00.00Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analoguesFree
2937.90Other:
2937.90.05.00EpinephrineFree
2937.90.10.00Epinephrine hydrochlorideFree
2937.90.20.00OtherFree
2937.90.40.00l-Thyroxine (Levothyroxine), sodiumFree
2937.90.45.00OtherFree
2937.90.90.00OtherFree

Exporting this product from the U.S.?

Exports are reported with Schedule B numbers. Heading 2937 has 12 of them. Schedule B lookup →

  • 2937.11.0000SOMATOTROPIN, ITS DERIVATIVES AND STRUCTURAL ANALOGUES
  • 2937.12.0000INSULIN AND ITS SALTS
  • 2937.19.0000POLYPEPTIDE, PROTEIN AND GLYCOPROTEIN HORMONES, THEIR DERIVATIVES AND STRUCTURAL ANALOGUES, NESOI
  • 2937.21.0000CORTISONE, HYDROCORTISONE, PREDNISONE AND PREDNISOLONE
  • 2937.22.0000HALOGENATED DERIVATIVES OF ADRENAL CORTICAL HORMONES
  • 2937.23.0000ESTROGENS AND PROGESTINS
  • 2937.29.0000ADRENAL CORTICAL HORMONES AND THEIR DERIVATIVES NESOI
  • 2937.50.0000PROSTAGLANDINS, THROMBOXANES AND LEUKOTRIENES, THEIR DERIVATIVES AND STRUCTURAL ANALOGUES
  • 2937.90.0500EPINEPHRINE
  • 2937.90.1500CATECHOLAMINE HORMONES (EXCLUDING EPINEPHRINE), THEIR DERIVATIVES AND STRUCTURAL ANALOGUES
  • 2937.90.3000AMINO-ACID DERIVATIVES
  • 2937.90.9000HORMONES, PROSTAGLANDINS, THROMBOXANES AND LEUKOTRIENES, NATURAL OR SYNTHETIC; DERIVATIVES AND ANALOGUES THEREOF, ETC, NESOI

Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.

Buying these products from the U.S.?

Tell us what you need and we will find U.S. manufacturers who can quote you. Free, no account needed.