CAS No. 1201438-56-3

Batch: Purity:99.96
IPI-145 (Duvelisib) Chemical Structure
Chemical Structure
Check the IPI-145 (Duvelisib) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 8-chloro-2-phenyl-3-[(1S)-1-(7H-purin-6-ylamino)ethyl]isoquinolin-1-one
CAS Number 1201438-56-3
Molecular Formula

C22H17ClN6O

Molecular Weight (MW) 416.86
SMILES CC(C1=CC2=C(C(=CC=C2)Cl)C(=O)N1C3=CC=CC=C3)NC4=NC=NC5=C4NC=N5
InChIKey SJVQHLPISAIATJ-ZDUSSCGKSA-N

Ordering Information

Biological Activity

IPI-145 (Duvelisib) is a novel and selective dual inhibitor of PI3Kδ and PI3Kγ with high selectivity over other protein kinases. By inhibiting PI3Kδ and PI3Kγ isoforms, it suppresses downstream AKT signaling and inhibits cellular functions including immune cell activation, proliferation, and survival in B-cell and T-cell responses. [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 83 mg/mL (199.1 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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Note: Technical data last updated: Sep 1, 2026.