US tariff data as of 2026-10-09Tariffs dataset 1.0.0Entry dates 2025-01-01 to 2026-10-09
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Chapter 29 · HTS release 2026HTSRev21

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

Base rates and the additional US duties for imports from the main origins on entry date 2026-10-09, from the HTS Calculator duty engine.

Base rate (column 1 general)
Free
Additional duty, main origins
0–100%
Statistical lines
29
Entry date shown
2026-10-09 (dataset 1.0.0)

Additional duties for the main origins

Additional duties on 2026-10-09
OriginAdditional dutyMeasures
China0–100%Section 232
Mexico0–100%Section 232
Canada0–100%Section 232
Vietnam0–100%Section 232
Germany0–35%Section 232

Range of the Chapter 99 duties (percent of customs value) across the lines of this heading. A range means the result differs between lines or depends on facts about the goods; an asterisk marks lines whose duty also depends on a specific (per unit) base rate. Other origins (Japan, South Korea, Taiwan, India, United Kingdom and any other country): in the calculator and the API.

Chapter 99 headings on these lines

  • 9903.04.60 Section 232
  • 9903.04.62 Section 232
  • 9903.04.64 Section 232
  • 9903.04.65 Section 232
  • 9903.04.66 Section 232
  • 9903.04.67 Section 232
  • 9903.04.68 Section 232
  • 9903.04.69 Section 232

Every line, every origin, with citations

This page sums heading 2937 up. The duty for one line, origin and date comes from the duty engine:

  • Base rate plus each Chapter 99 line, in percent and in dollars
  • Citations to the Federal Register, CBP and the USITC, with the quoted text
  • The lines considered and not applied, and why
  • Any origin, any entry date from 2025-01-01 to 2026-10-09
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Lines in this heading

The 29 statistical lines of heading 2937

Each code opens the free calculator for that line on 2026-10-09: base rate, every Chapter 99 line with its citations, and the duty in dollars.

  • 2937.11.00.00Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues…
  • 2937.12.00.00Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues…
  • 2937.19.00.00Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues…
  • 2937.21.00.10… › Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone) ›…
  • 2937.21.00.20… › Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone) ›…
  • 2937.21.00.30… › Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone) ›…
  • 2937.21.00.40… › Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone) ›…
  • 2937.22.00.10… › Halogenated derivatives of adrenal cortical hormones › Dexamethasone (INN) and its salts
  • 2937.22.00.90… › Halogenated derivatives of adrenal cortical hormones › Other
  • 2937.23.10.10… › Obtained directly or indirectly from animal or vegetable materials › Estrogens
  • 2937.23.10.20… › Other › Progesterone
  • 2937.23.10.50… › Other › Other
  • 2937.23.25.00… › Other › Estradiol benzoate; and Estradiol cyclopentylpropionate (Estradiol cypionate)
  • 2937.23.50.10… › Other › Estrogens
  • 2937.23.50.20… › Other › Progesterone
  • 2937.23.50.50… › Other › Other
  • 2937.29.10.00… › Other › Desonide; andNandrolone phenproprionate
  • 2937.29.90.20… › Other › Salts and esters of hydrocortisone
  • 2937.29.90.30… › Other › Salts and esters of prednisone
  • 2937.29.90.40… › Other › Salts and esters of prednisolone
  • 2937.29.90.50… › Other › Anabolic agents and androgens
  • 2937.29.90.95… › Other › Other
  • 2937.50.00.00Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues
  • 2937.90.05.00… › Catecholamine hormones, their derivatives and structural analogues › Epinephrine
  • 2937.90.10.00… › Other › Epinephrine hydrochloride
  • 2937.90.20.00… › Other › Other
  • 2937.90.40.00… › Amino-acid derivatives › l-Thyroxine (Levothyroxine), sodium
  • 2937.90.45.00… › Amino-acid derivatives › Other
  • 2937.90.90.00Other › Other

Recent changes

Between 2025-10-09 and 2026-10-09: the Chapter 99 headings applied changed for all 5 main origins; 3 statistical line changes. Dated changes, with their sources: the change list and the Tariff Change Feed.

Scope

We do not classify goods. These pages show reference rates for HTS codes. Choosing the code for an entry is the importer's responsibility, and entries are filed by the importer of record or a licensed customs broker. Duties shown are calculations from public sources, not legal advice.