CAS No. 1085412-37-8

Batch: Purity:96.26
Pyridostatin Chemical Structure
Chemical Structure
Check the Pyridostatin product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 1085412-37-8
Molecular Formula

C31H32N8O5

Molecular Weight (MW) 596.64

Biological Activity

Pyridostatin is a selective small-molecule G-quadruplex stabilizer that promotes the folding and stabilization of telomeric DNA G-quadruplexes. By uncapping the telomeric protein POT1 and activating DNA damage signaling cascades, Pyridostatin induces telomere dysfunction and genomic instability. Furthermore, it modulates gene expression by reducing SRC protein levels, leading to inhibited SRC-dependent motility and cell proliferation in cancer cells. [1][2]

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 100 mg/mL (167.6 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water 100 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).

Reference

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