CAS No. 881375-00-4

Batch: Purity:99.93
KU-0060648 Chemical Structure
Chemical Structure
Check the KU-0060648 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 2-(4-ethylpiperazin-1-yl)-N-[4-(2-morpholin-4-yl-4-oxochromen-8-yl)dibenzothiophen-1-yl]acetamide
CAS Number 881375-00-4
Molecular Formula

C33H34N4O4S

Molecular Weight (MW) 582.71
SMILES CCN1CCN(CC1)CC(=O)NC2=C3C4=CC=CC=C4SC3=C(C=C2)C5=CC=CC6=C5OC(=CC6=O)N7CCOCC7
InChIKey AATCBLYHOUOCTO-UHFFFAOYSA-N

Ordering Information

Biological Activity

KU-0060648 is a potent dual inhibitor of DNA-dependent protein kinase (DNA-PK) and phosphatidylinositol 3-kinase (PI3K) isoforms. It inhibits downstream AKT/mTOR signaling and DNA repair pathways, impairing double-strand break repair and cell survival mechanisms. Consequently, KU-0060648 suppresses cancer cell proliferation, induces cell cycle arrest and apoptosis, and sensitizes malignant cells to DNA-damaging agents and ionizing radiation. [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 2 mg/mL (3.43 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous 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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Note: Technical data last updated: Sep 1, 2026.