Home/HTS/ Ch. 29/ 2937/2937.23

2937.23 · Estrogens and progestins:

This is a category heading rather than a rate line — pick one of the codes below to see its full duty stack.

Subordinate codes (3)

CodeDescription
2937.23.10Obtained directly or indirectly from animal or vegetable materials
2937.23.25.00Estradiol benzoate; and Estradiol cyclopentylpropionate (Estradiol cypionate)
2937.23.50Other

Frequently asked

What does 2937.23 cover?
Estrogens and progestins:. This is a heading-level category with several subordinate codes — open one to see its full duty breakdown.
Where does this data come from?
Codes and MFN base rates come from the full USITC HTS 2026 Rev.11 export. Section 301/232/122 surcharge mappings are approximated pending code-level review. Every rate carries a source_url and effective_from, so you can trace it back to the controlling notice.