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Mifepristone
- RU 38486 - RU 486
- Optical Purity: Optically pure
- Soluble in DMSO
- MF: C29H35NO2
- MW: 429.59
Description
Mifepristone (RU38486) is a high-affinity antagonist of the progesterone receptor (PR) that also exhibits antiglucocorticoid activity at the glucocorticoid receptor (GR). It competitively blocks steroid-receptor activation and alters downstream hormone-responsive gene transcription.
Its dual PR/GR pharmacology makes mifepristone a widely used reference ligand for reproductive endocrinology, steroid receptor signaling and glucocorticoid biology. Experimental interpretation should account for receptor expression and dose-dependent engagement of both targets.
Key Features
- High-affinity progesterone receptor antagonist
- Also antagonizes glucocorticoid receptor signaling
- Blocks steroid-dependent transcriptional responses
- Clinically validated steroid receptor modulator
Applications
- Progesterone receptor pharmacology
- Glucocorticoid receptor and stress-hormone studies
- Reproductive endocrinology research
- Steroid-responsive gene regulation assays
More Information
| Parent CAS No. | 84371-65-3 |
|---|---|
| Chemical Name | 11β-[p-(Dimethylamino)fenyl]-17β-hydroxy- 17-(1-propynyl)estra-4,9-dien-3-on |
| SMILES | C1CC2=C3[C@@H](C4C=CC(N(C)C)=CC=4)C[C@]4(C)[C@](O)(C#CC)CC[C@@]4([H])[C@]3([H])CCC2=CC1=O |&1:4,15,17,24,26,r| |
| MFCD | N.A. |
| InChi | InChI=1S/C29H35NO2/c1-5-15-29(32)16-14-26-24-12-8-20-17-22(31)11-13-23(20)27(24)25(18-28(26,29)2)19-6-9-21(10-7-19)30(3)4/h6-7,9-10,17,24-26,32H,8,11-14,16,18H2,1-4H3/t24-,25+,26-,28-,29-/m0/s1 |
| InChiKey | VKHAHZOOUSRJNA-GCNJZUOMSA-N |
| CID | 55245 |
| Short Description | PR antagonist |
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