CAS No. 979-32-8

Batch: Purity:99.82
Estradiol valerate Chemical Structure
Chemical Structure
Check the Estradiol valerate product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name [(8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] pentanoate
CAS Number 979-32-8
Molecular Formula

C23H32O3

Molecular Weight (MW) 356.5
SMILES CCCCC(=O)OC1CCC2C1(CCC3C2CCC4=C3C=CC(=C4)O)C
InChIKey RSEPBGGWRJCQGY-RBRWEJTLSA-N

Ordering Information

Biological Activity

Estradiol valerate is a synthetic ester prodrug of 17β-estradiol that functions as an estrogen receptor agonist. Upon enzymatic cleavage, it releases estradiol to engage nuclear estrogen receptors, including ERα and ERβ. Activation of these receptors modulates downstream transcription and engages non-genomic signaling networks, such as the PI3K/AKT and MAPK pathways, to regulate cellular proliferation, gene expression, and tissue homeostasis. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 71 mg/mL (199.15 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water Insoluble
Ethanol Insoluble
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).

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Note: Technical data last updated: Sep 1, 2026.