CAS No. 109889-09-0

Batch: Purity:98
Granisetron Chemical Structure
Chemical Structure
Check the Granisetron product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 109889-09-0
Molecular Formula

C18H24N4O

Molecular Weight (MW) 312.41
SMILES CN1C2CCCC1CC(C2)NC(=O)C3=NN(C4=CC=CC=C43)C

Biological Activity

Granisetron is a potent and highly selective serotonin 5-HT3 receptor antagonist. By competitively binding to 5-HT3 receptors, it effectively blocks serotonin-mediated depolarization in peripheral vagal nerve terminals and the central chemoreceptor trigger zone. This blockade disrupts downstream emetic signaling pathways, thereby inhibiting sensory signal transmission and suppressing serotonin-induced nausea and vomiting phenotypes. [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 11 mg/mL (35.21 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
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).

Reference

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