Catalog No.S1410

For research use only.

AS-605240 selectively inhibits PI3Kγ with IC50 of 8 nM, over 30-fold and 7.5-fold more selective for PI3Kγ than PI3Kδ/β and PI3Kα in cell-free assays, respectively.

AS-605240 Chemical Structure

CAS No. 648450-29-7

Selleck's AS-605240 has been cited by 30 publications

Purity & Quality Control

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Biological Activity

Description AS-605240 selectively inhibits PI3Kγ with IC50 of 8 nM, over 30-fold and 7.5-fold more selective for PI3Kγ than PI3Kδ/β and PI3Kα in cell-free assays, respectively.
Features The most potent member of a new class of PI3Kγ-selective inhibitors.
PI3Kγ [1]
(Cell-free assay)
PI3Kα [1]
(Cell-free assay)
PI3Kβ [1]
(Cell-free assay)
PI3Kδ [1]
(Cell-free assay)
8 nM 60 nM 270 nM 300 nM
In vitro

AS-605240 is an ATP-competitive PI3Kγ inhibitor, with Ki values of 7.8 nM. AS-605240 is isoform-selective, for AS-605240 also inhibits PI3Kα, β, and δ, with IC50 of 60, 270, and 300 nM, respectively. AS-605240 inhibits C5a-mediated PKB phosphorylation with IC50 of 90 nM. In bone marrow-derived monocytes (BMDMs), AS-605240 (1 μM) blocks MCP-1- or CSF-1-induced PKB phosphorylation. [1] At SC-CA1 synapses in mice, AS-605240 (100 nM) eliminates NMDAR LTD, without affecting mGluR LTD, depotentiation, and LTP. [2]

Cell Data
Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID
RAW264.7 cells M{joNmZ2dmO2aX;uJIF{e2G7 NHuz[YtKdmirYnn0bY9vKG:oIF3DVFEucW6mdXPl[EBkcGWvb4ThfIl{KGmwIH3veZNmKFKDV{K2OE44KGOnbHzzMEBKSzVyPUWuN|Eh|ryP MmP1NVk6ODR7Mkm=
Methods Test Index PMID
Western blot p-AKT / AKT 25869207
In vivo In RANTES-induced mouse model of peritonitis, AS-605240 reduces neutrophil chemotaxis with ED50 of 9.1 mg/kg. In a αCII-induced arthritis, AS-605240 (50 mg/kg) protects against αCII-IA symptom. In a mouse model of collagen-induced arthritis, AS-605240 (50 mg/kg) also suppresses joint inflammation and damage. [1] In an obesity-induced diabetes model (ob/ob mice), AS-605240 (10 mg/kg) lowers blood glucose levels, significantly improves both insulin sensitivity and glucose tolerance without affecting body weight. AS-605240 (30 mg/kg) displays more profound effects with slightly less weight gain. Moreover, AS-605240 reduces the abundance of ATMs and the circulating levels of MCP-1. [3]

Protocol (from reference)

Kinase Assay:


  • In vitro PI3K lipid kinase assay:

    (1) For PI3Kγ: human PI3Kγ (100 ng) is incubated at RT with kinase buffer (10 mM MgCl2, 1 mM β-glycerophosphate, 1 mM DTT, 0.1 mM Na3VO4, 0.1% Na Cholate and 15 μM ATP/100 nCi γ[33P]ATP, final concentrations) and lipid vesicles containing 18 μM PtdIns and 250 μM of PtdSer (final concentrations), in the presence of AS-605240 or DMSO. Kinase reaction is stopped by adding 250 μg of Neomycin-coated Scintillation Proximity Assay (SPA) beads. (2) For PI3Kα, β, and δ: varying amounts of ATP are incubated with the different purified PI3K isoforms and saturating concentrations of PtdIns. Consequently, IC50 determinations with PI3Kα, β, and δ, to evaluate inhibitor selectivity are performed as follows: 60 ng of PI3Kα are incubated at RT with kinase buffer, as described for PI3Kγ (but containing 89 μM ATP/300 nCi γ[33P]ATP and no Na Cholate, instead) and lipid vesicles containing 212 μM PtdIns and 58 μM of PtdSer. 100 ng of PI3Kβ are incubated at RT with kinase buffer (containing 70 μM ATP/300 nCi γ[33P]ATP, 4 mM MgCl2 and no Na Cholate) and lipid vesicles containing 225 μM PtdIns and 45 μM of PtdSer. 90 ng of PI3Kδ are incubated with kinase buffer (containing 65 μM ATP/300 nCi γ[33P]ATP, 1 mM MgCl2, and no Na Cholate) and lipid vesicles containing 100 μM PtdIns and 170 μM of PtdSer. The reactions are stopped after 2 hours.

Cell Research:


  • Cell lines: RAW264 macrophages
  • Concentrations: 1 nM - 10 μM, dissolved in DMSO
  • Incubation Time: 30 min
  • Method:

    After a 3-hour starvation in serum-free medium, Cells are pretreated with AS-605240 or DMSO for 30 min and stimulated for 5 min with 50 nM of C5a. PKB phosphorylation is monitored using phosphorylated Ser473 Akt-specific antibody and standard ELISA protocols.

Animal Research:


  • Animal Models: RANTES-induced mouse model of peritonitis (female Balb/C or C3H), αCII-induced mouse model of arthritis, and collagen-induced mouse model of arthritis (CIA) (male DBA/1)
  • Dosages: 50 mg/kg
  • Administration: Orally

Solubility (25°C)

In vitro

In vivo

Add solvents to the product individually and in order
(Data is from Selleck tests instead of citations):
0.5% CMC+0.25% Tween 80
For best results, use promptly after mixing.

11 mg/mL

Chemical Information

Molecular Weight 257.27


CAS No. 648450-29-7
Storage 3 years -20°C powder
2 years -80°C in solvent
Smiles C1=CC2=NC=CN=C2C=C1C=C3C(=O)NC(=O)S3

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Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

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Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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