CAS No. 152-43-2

Batch: Purity:99.89
Quinestrol Chemical Structure
Chemical Structure
Check the Quinestrol product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 152-43-2
Molecular Formula

C25H32O2

Molecular Weight (MW) 364.52
SMILES CC12CCC3C(C1CCC2(C#C)O)CCC4=C3C=CC(=C4)OC5CCCC5

Ordering Information

Biological Activity

Quinestrol is a synthetic steroidal estrogen that acts as an estrogen receptor agonist. Upon metabolic activation, it binds to nuclear estrogen receptors, activating estrogen receptor signaling pathways to regulate gene expression involved in cellular proliferation and reproductive tissue maintenance. Through these downstream transcriptional pathways, quinestrol exhibits hormonal activity and modulates endocrine functions, making it useful in hormone replacement therapy research and hormone-dependent cancer models. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
🧮 Molarity Calculator

Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 72 mg/mL (197.52 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 72 mg/mL
Water 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).
Note: Technical data last updated: Sep 1, 2026.