Norethynodrel

DB09371ApprovedSmall molecule

A synthetic progestational hormone with actions and uses similar to those of PROGESTERONE. It has been used in the treatment of functional uterine bleeding and endometriosis. As a contraceptive, it... As a contraceptive, it has usually been administered in combination with MESTRANOL.

Chemical structure of Norethynodrel
Mechanism
Curator reviewed
Formula / weight
C20H26O2 · 298.426 g/mol (avg)
Also known as
Noretynodrel
Code names
CB 8023 · NSC-15432 · SC-4642

Resolves to

Compound
UNII88181ACA0MCAS68-23-5ChEMBLCHEMBL1387ChEBI34895KEGGD05207
Clinical / RWD
RxNorm7515ATCG03FA09
Structure
InChIKeyICTXHFFSOAJUMG-SLHNCBLASA-NSMILES[H][C@@]12CC[C@@](O)(C#C)[C@@]1(C)CC[C@]1([H])C3=C(CC[C@@]21[H])CC(=O)CC3
Targets
P06401PGRP03372ESR1P10275ARP04278SHBG

What you can answer from here — as of June 15, 2026

4Protein targetsEach mapped to UniProt, with action and pharmacological action
Listed above
544Drug interactionsStructured to mechanism, not free text
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1ATC codeIncluding every combination product, plus 21 drug categories
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9+ReferencesStructured and connected to the statements they support
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Which drugs share a target with Norethynodrel, and which of those have an active Phase 3 trial?

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