CAS No. 775304-57-9

Batch: Purity:99.96
Ataluren (PTC124) Chemical Structure
Chemical Structure
Check the Ataluren (PTC124) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 775304-57-9
Molecular Formula

C15H9FN2O3

Molecular Weight (MW) 284.24
SMILES C1=CC=C(C(=C1)C2=NC(=NO2)C3=CC(=CC=C3)C(=O)O)F

Biological Activity

Ataluren (PTC124) is an orally bioavailable small-molecule readthrough agent that selectively targets ribosomal premature termination codons. By promoting translational readthrough without affecting normal stop codons or mRNA stability, Ataluren restores the production of full-length, functional proteins in cell and animal models harboring nonsense mutations. This targeted suppression of premature translational termination rescues downstream protein function and restores normal cellular phenotypes across various genetic disease models. [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 57 mg/mL (200.53 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water Insoluble
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).
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Reference

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