1. PI3K/Akt/mTOR
  2. PI3K

IPI549 

Cat. No.: HY-100716 Purity: 99.14%
Data Sheet SDS Handling Instructions

IPI549 is a potent and selective PI3Kγ Inhibitor with IC50 of 16 nM.

For research use only. We do not sell to patients.
IPI549 Chemical Structure

IPI549 Chemical Structure

CAS No. : 1693758-51-8

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Free Sample (0.5-1 mg)   Apply now  
10 mM * 1 mL in DMSO $81 In-stock
5 mg $70 In-stock
10 mg $99 In-stock
50 mg $290 In-stock
100 mg $490 In-stock
200 mg   Get quote  
500 mg   Get quote  

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  • Biological Activity

  • Protocol

  • Technical Information

  • Purity & Documentation

  • References

Description

IPI549 is a potent and selective PI3Kγ Inhibitor with IC50 of 16 nM.

IC50 & Target

IC50: 16 nM (PI3Kγ), 3.2 μM (PI3Kα), 3.5 μM (PI3Kβ), >8.4 μM (PI3Kδ)[1]

In Vitro

IPI-549 inhibits PI3Kγ with IC50 of 16 nM, with >100-fold selectivity over other lipid and protein kinases (PI3Kα IC50=3.2 μM, PI3Kβ IC50=3.5 μM, PI3Kδ IC50>8.4 μM). IPI549 is evaluated for activity across all Class I PI3K isoforms. The binding affinity of IPI549 for PI3K-γ is determined by measuring the individual rates constants and for PI3K-α, β and δ using equilibrium fluorescent titration. IPI549 is found to be a remarkably tight binder to PI3Kγ with a Kd of 290 pM and >58-fold weaker affinity for other Class I PI3K isoforms (PI3Kα Kd=17 nM, PI3Kβ Kd=82 nM, PI3Kδ Kd=23 M). In PI3K-α, -β, -γ, and -δ dependent cellular phospho-AKT assays, IPI549 demonstrates excellent PI3K-γ potency (IC50=1.2 nM) and selectivity against other Class I PI3K isoforms (>146-fold). Cellular IC50s for Class I PI3Kα (250 nM), PI3Kβ (240 nM), PI3Kγ (1.2 nM), PI3Kδ (180 nM) are determined in SKOV-3, 786-O, RAW 264.7, and RAJI cells, respectively, by monitoring inhibition of pAKT S473 by ELISA. Furthermore, IPI549 dose dependently inhibits PI3Kγ dependent bone marrow-derived macrophage (BMDM) migration. IPI549 is also found to be selective against a panel of 80 GPCRs, ion channels, and transporters at 10 μM[1].

In Vivo

IPI-549 demonstrates favorable pharmacokinetic properties and robust inhibition of PI3K-γ mediated neutrophil migration. In vivo (mice, rats, dog, and monkeys), IPI-549 has excellent oral bioavailability, low clearance, and distributed into tissues with a mean volume of distribution of 1.2 L/kg. Overall, IPI-549 has a favorable pharmacokinetic profile to allow potent and selective inhibition of PI3K-γ in vivo. The t1/2 of IPI-549 for mouse, rat, dog and monkey is 3.2, 4.4, 6.7 and 4.3 h, respectively. IPI-549 significantly reduces neutrophil migration in a dose dependent manner in this model when administered orally at all of the tested doses[1].

Clinical Trial
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References
Preparing Stock Solutions
Concentration Volume Mass 1 mg 5 mg 10 mg
1 mM 1.8919 mL 9.4597 mL 18.9193 mL
5 mM 0.3784 mL 1.8919 mL 3.7839 mL
10 mM 0.1892 mL 0.9460 mL 1.8919 mL
Please refer to the solubility information to select the appropriate solvent.
References
Molecular Weight

528.56

Formula

C₃₀H₂₄N₈O₂

CAS No.

1693758-51-8

Storage
Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
Shipping

Room temperature in continental US; may vary elsewhere

Solvent & Solubility

DMSO: 15 mg/mL

* "<1 mg/mL" means slightly soluble or insoluble. "≥" means soluble, but saturation unknown.

Purity: 99.14%

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IPI549
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