CAS No. 115956-13-3

Batch: Purity:98.44
Dolasetron Mesylate Chemical Structure
Chemical Structure
Check the Dolasetron Mesylate product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 115956-13-3
Molecular Formula

C20H24N2O6S

Molecular Weight (MW) 420.48
SMILES CS(=O)(=O)O.C1C2CC3CC(CC1N3CC2=O)OC(=O)C4=CNC5=CC=CC=C54.O

Biological Activity

Dolasetron mesylate is a serotonin 5-HT3 receptor antagonist. By selectively blocking 5-HT3 receptors on peripheral vagal nerve terminals and centrally in the chemoreceptor trigger zone, it inhibits serotonin-mediated signaling in the central and peripheral nervous systems. This receptor blockade suppresses emetic signal transmission and inhibits the reflex pathway, thereby preventing chemotherapy-induced nausea and vomiting responses in cellular and preclinical models.

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 84 mg/mL (199.77 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water 28 mg/mL
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).

Jump to

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