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

Product or HTS code

Rate lines29

Code	Description	General	Column 2	Units
	Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues
2937.11.00.00	2937.11.00.00Somatotropin, its derivatives and structural analoguesGeneral Free · Column 2 10% · g	Free	10%	g
2937.12.00.00	2937.12.00.00Insulin and its saltsGeneral Free · Column 2 10% · g	Free	10%	g
2937.19.00.00	2937.19.00.00OtherGeneral Free · Column 2 25% · g	Free	25%	g
	Steroidal hormones, their derivatives and structural analogues
2937.21.00	2937.21.00Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone)General Free · Column 2 25%	Free	25%
2937.21.00.10	2937.21.00.10CortisoneGeneral Free · Column 2 25% · g	Free	25%	g
2937.21.00.20	2937.21.00.20HydrocortisoneGeneral Free · Column 2 25% · g	Free	25%	g
2937.21.00.30	2937.21.00.30PrednisoneGeneral Free · Column 2 25% · g	Free	25%	g
2937.21.00.40	2937.21.00.40PrednisoloneGeneral Free · Column 2 25% · g	Free	25%	g
2937.22.00	2937.22.00Halogenated derivatives of adrenal cortical hormonesGeneral Free · Column 2 25%	Free	25%
2937.22.00.10	2937.22.00.10Dexamethasone (INN) and its saltsGeneral Free · Column 2 25% · g	Free	25%	g
2937.22.00.90	2937.22.00.90OtherGeneral Free · Column 2 25% · g	Free	25%	g
2937.23	2937.23Estrogens and progestins
2937.23.10	2937.23.10Obtained directly or indirectly from animal or vegetable materialsGeneral Free · Column 2 25%	Free	25%
2937.23.10.10	2937.23.10.10EstrogensGeneral Free · Column 2 25% · g	Free	25%	g
	OtherGeneral Free · Column 2 25%	Free	25%
2937.23.10.20	2937.23.10.20ProgesteroneGeneral Free · Column 2 25% · kg	Free	25%	kg
2937.23.10.50	2937.23.10.50OtherGeneral Free · Column 2 25% · kg	Free	25%	kg
	Other
2937.23.25.00	2937.23.25.00Estradiol benzoate; and Estradiol cyclopentylpropionate (Estradiol cypionate)General Free · Column 2 15.4¢/kg + 49% · g	Free	15.4¢/kg + 49%	g
2937.23.50	2937.23.50OtherGeneral Free · Column 2 15.4¢/kg + 78.5%	Free	15.4¢/kg + 78.5%
2937.23.50.10	2937.23.50.10EstrogensGeneral Free · Column 2 15.4¢/kg + 78.5% · g	Free	15.4¢/kg + 78.5%	g
	OtherGeneral Free · Column 2 15.4¢/kg + 78.5%	Free	15.4¢/kg + 78.5%
2937.23.50.20	2937.23.50.20ProgesteroneGeneral Free · Column 2 15.4¢/kg + 78.5% · g	Free	15.4¢/kg + 78.5%	g
2937.23.50.50	2937.23.50.50OtherGeneral Free · Column 2 15.4¢/kg + 78.5% · g	Free	15.4¢/kg + 78.5%	g
2937.29	2937.29Other
2937.29.10.00	2937.29.10.00Desonide; andNandrolone phenproprionateGeneral Free · Column 2 15.4¢/kg + 49% · g	Free	15.4¢/kg + 49%	g
2937.29.90	2937.29.90OtherGeneral Free · Column 2 25%	Free	25%
2937.29.90.20	2937.29.90.20Salts and esters of hydrocortisoneGeneral Free · Column 2 25% · g	Free	25%	g
2937.29.90.30	2937.29.90.30Salts and esters of prednisoneGeneral Free · Column 2 25% · g	Free	25%	g
2937.29.90.40	2937.29.90.40Salts and esters of prednisoloneGeneral Free · Column 2 25% · g	Free	25%	g
2937.29.90.50	2937.29.90.50Anabolic agents and androgensGeneral Free · Column 2 25% · g	Free	25%	g
2937.29.90.95	2937.29.90.95OtherGeneral Free · Column 2 25% · g	Free	25%	g
2937.50.00.00	2937.50.00.00Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analoguesGeneral Free · Column 2 25% · g	Free	25%	g
2937.90	2937.90Other
	Catecholamine hormones, their derivatives and structural analogues
2937.90.05.00	2937.90.05.00EpinephrineGeneral Free · Column 2 15.4¢/kg + 49% · g	Free	15.4¢/kg + 49%	g
	Other
2937.90.10.00	2937.90.10.00Epinephrine hydrochlorideGeneral Free · Column 2 15.4¢/kg + 49% · g	Free	15.4¢/kg + 49%	g
2937.90.20.00	2937.90.20.00OtherGeneral Free · Column 2 25% · g	Free	25%	g
	Amino-acid derivatives
2937.90.40.00	2937.90.40.00l-Thyroxine (Levothyroxine), sodiumGeneral Free · Column 2 15.4¢/kg + 49% · kg	Free	15.4¢/kg + 49%	kg
2937.90.45.00	2937.90.45.00OtherGeneral Free · Column 2 25% · g	Free	25%	g
2937.90.90.00	2937.90.90.00OtherGeneral Free · Column 2 25% · g	Free	25%	g
	XII. GLYCOSIDES AND ALKALOIDS, NATURAL OR REPRODUCED BY SYNTHESIS, AND THEIR SALTS, ETHERS, ESTERS AND OTHER DERIVATIVES

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Ireland96.16% of imports	China2.05% of imports	Italy0.41% of imports	Denmark0.2% of imports	France0.2% of imports	Germany0.18% of imports	Switzerland0.17% of imports	Argentina0.12% of imports	Sweden0.1% of imports	India0.09% of imports
2937.11.00.00Somatotropin, its derivatives and structural analogues	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.12.00.00Insulin and its salts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.19.00.00Other	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.21.00.10Cortisone	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2937.21.00.20Hydrocortisone	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2937.21.00.30Prednisone	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2937.21.00.40Prednisolone	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2937.22.00.10Dexamethasone (INN) and its salts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.22.00.90Other	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.23.10.10Estrogens	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.23.10.20Progesterone	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2937.23.10.50Other	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.23.25.00Estradiol benzoate; and Estradiol cyclopentylpropionate (Estradiol cypionate)	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2937.23.50.10Estrogens	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.23.50.20Progesterone	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.23.50.50Other	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.29.10.00Desonide; andNandrolone phenproprionate	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2937.29.90.20Salts and esters of hydrocortisone	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2937.29.90.30Salts and esters of prednisone	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2937.29.90.40Salts and esters of prednisolone	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.29.90.50Anabolic agents and androgens	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.29.90.95Other	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.50.00.00Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.90.05.00Epinephrine	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2937.90.10.00Epinephrine hydrochloride	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2937.90.20.00Other	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2937.90.40.00l-Thyroxine (Levothyroxine), sodium	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2937.90.45.00Other	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts
2937.90.90.00Other	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts	VariesDepends on product facts

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).