HS 2937 — Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones.
Harmonized System heading · Chapter 29 Organic chemicals
HS Code
4-digit heading
Chapter 29
Chapter 29 Organic chemicals
Typical duty
By subheading & market
What HS 2937 covers
Hydrocarbons, alcohols, phenols, carboxylic acids, amines and other organic compounds.
Classification notes
Functional group and carbon chain govern classification; precursors need compliance care.
Back to Chapter 29
Frequently asked questions about HS 2937
What is HS 2937?
Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones. is a 4-digit Harmonized System (HS) heading under Chapter 29 (Organic chemicals). It groups goods before national 6-digit subheadings.
Which products are classified under HS 2937?
Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones. covers the products described by this heading. To classify a specific good, determine the precise 6-digit HS subheading, since rates and rules apply at the subheading level.
How do I find the import duty for HS 2937 goods?
Identify the 6-digit subheading for your product, then check the MFN rate and any preferential rate for your destination market (e.g. China, the United States, the EU). 169e’s country tariff pages list rates per HS chapter.
What should I watch for when classifying HS 2937 products?
Functional group and carbon chain govern classification; precursors need compliance care.