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 HTS + UK Tariff v4.0.1633 · updated 2026-10-21 · sources
Rates on this page are the official published schedule rates, shown for information. This is not a customs ruling: preference programs, Section 232/301 surcharges and per-shipment fees can change what you actually pay.
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 code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 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 code | Description | |
|---|---|---|
| 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 code | Description | |
|---|---|---|
| 2937 90 00 00 | Other | UK duty & VAT → |
Nearby codes in heading 2937
The subheadings immediately before and after 2937.90 in chapter 29.
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.
Frequently asked questions
Common questions about HS code 2937.90.
What is HS code 2937.90?
HS code 2937.90 covers: Other. It belongs to chapter 29 (Organic chemicals) of the Harmonized System.
What is the US import duty for HS code 2937.90?
The US general (normal trade relations) rates under this subheading range: Free. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.
What is the UK commodity code for 2937.90?
The UK extends 2937.90 to 1 declarable 10-digit commodity code, starting with 2937900000. The full code goes on the UK customs declaration.