Chapter 29 · Organic chemicals · Section 6

HS Code 2937.90

Other

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

US duty (general)
Free
US HTS lines
6
EU CN codes
1
UK commodity codes
1
Unit
g, kg

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 2937.90

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS codeDescriptionGeneralSpecialOtherUnit
2937.90.05 Catecholamine hormones, their derivatives and structural analogues >
Epinephrine
Free - 15.4¢/kg + 49% g
2937.90.10 Catecholamine hormones, their derivatives and structural analogues > Other >
Epinephrine hydrochloride
Free - 15.4¢/kg + 49% g
2937.90.20 Catecholamine hormones, their derivatives and structural analogues > Other >
Other
Free - 25% g
2937.90.40 Amino-acid derivatives >
l-Thyroxine (Levothyroxine), sodium
Free - 15.4¢/kg + 49% kg
2937.90.45 Amino-acid derivatives >
Other
Free - 25% g
2937.90.90 Amino-acid derivatives >
Other
Free - 25% g

Estimate the US duty runs in your browser · no caps

Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

European Union - CN codes under 2937.90

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN codeDescription
2937 90 00 Other EU duty (TARIC) →

United Kingdom - commodity codes under 2937.90

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity codeDescription
2937 90 00 00 Other UK duty & VAT →
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 2937

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.