CAS No. 83366-66-9

Batch: Purity:99.45
Nefazodone Chemical Structure
Chemical Structure
Check the Nefazodone product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 83366-66-9
Molecular Formula

C25H32ClN5O2

Molecular Weight (MW) 470.01

Ordering Information

Biological Activity

Nefazodone is a selective 5-HT2A receptor antagonist and a moderate inhibitor of serotonin and norepinephrine reuptake. By blocking 5-HT2A receptors and inhibiting monoamine transporters, it enhances 5-HT synaptic transmission and modulates downstream serotonergic pathway signaling. Additionally, nefazodone acts as a potent cytochrome P450 3A4 (CYP3A4) inhibitor while displaying reduced anticholinergic, alpha-adrenolytic, and sedative activities alongside immunoprotective properties. [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 94 mg/mL (199.99 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 94 mg/mL
Water 47 mg/mL
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.