CH5132799

This product is for research use only, not for human use. We do not sell to patients.

CH5132799
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500mg$1950Check With Us
1g$2925Check With Us

Cat #: V0138 CAS #: 1007207-67-1 Purity ≥ 98%

Description: CH5132799 is a novel and potent class I PI3K (phosphoinositide 3-kinase) inhibitor with potential anticancer activity.

References: Tanaka H, et al. The selective class I PI3K inhibitor CH5132799 targets human cancers harboring oncogenic PIK3CA mutations. Clin Cancer Res, 2011, 17(10), 3272-3281.

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Molecular Weight (MW)377.42
Molecular FormulaC15H19N7O3S
CAS No.1007207-67-1
Storage-20℃ for 3 years in powder formr
-80℃ for 2 years in solvent
Solubility In VitroDMSO: 12 mg/mL (31.79 mM)r
Water:<1 mg/mLr
Ethanol: <1 mg/mL
Solubility In Vivo1% DMSO+30% polyethylene glycol+1% Tween 80: 30mg/mL
SMILES CodeNC1=NC=C(C2=C3C(N(S(=O)(C)=O)CC3)=NC(N4CCOCC4)=N2)C=N1
SynonymsCH5132799; CH-5132799; CH 5132799; PA-799; PA799; PA-799; Izorlisib
ProtocolIn VitroIzorlisib (CH5132799) is a selective class I PI3K inhibitor with potent antitumor activity against tumors harboring the PIK3CA mutations. Izorlisib selectively inhibits class I PI3Ks and PI3Kα mutants in in vitro kinase assays. Izorlisib inhibits class I PI3Ks, particularly PI3Kα, with an IC50 of 14 nM. IC50 values against class II PI3Ks (C2α and C2β), a class III PI3K (Vps34), and a class IV PI3K (mTOR) are more than 100-fold higher than that against PI3Kα. Interestingly, slightly lower IC50 values are observed against PI3Kα with oncogenic mutations E542K, E545K, and H1047R than against wild-type (WT) PI3Kα. In an analysis of cocrystal structure with PI3Kγ (PBD ID: 3APC), Izorlisib is shown to interact with ATP-binding sites of the enzyme, suggesting an ATP competitive mode of inhibition. No significant inhibitory activities of Izorlisib are observed against a representative panel of 26 protein kinases, including RTKs, nonreceptor tyrosine kinases, and serine/threonine kinases. These data indicate that Izorlisib is a selective class I PI3K inhibitor, especially against PI3Kα and its mutants. Izorlisib shows superior antiproliferative activity across the 4 tumor types, with 75% (45/60) of lines having an IC50 below 1 μM and 38% (23/60) of lines having an IC50 below 0.3 μM.
In VivoMice bearing BT-474 tumors (n=14) are orally administered 50 mg/kg of Everolimus on a daily basis for 31 days and then randomized. After randomization, the mice are orally administered 50 mg/kg of Everolimus (n=4) and 12.5 mg/kg (n=5), and 25 mg/kg (n=5) of Izorlisib on a daily basis for 7 days. C, the vehicle-, Everolimus, and CH5132799-treated (25 mg/kg) tumors are resected at 4 hours after terminal administration in B, lysed, and analyzed by Western blotting. Izorlisib administration leads to a remarkable regression in a dose-dependent manner of the tumors regrown after the long-term Everolimus treatment. The tumors are resected at the end of treatment and analyzed by Western blotting with respect to PI3K pathway inhibition. Izorlisib suppresses various effectors in the PI3K pathway, including Akt, FoxO1, S6K, S6, and 4E-BP1, whereas Everolimus inhibits only phosphorylation of S6K and S6, both downstream effectors of mTORC1.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Preparing Stock Solutions
Solvent volume to be added Mass (the weight of a compound)
Mother liquor concentration 1mg5mg10mg20mg
1mM2.6496 mL13.2478 mL26.4957 mL52.9914 mL
5mM0.5299 mL2.6496 mL5.2991 mL10.5983 mL
10mM0.2650 mL1.3248 mL2.6496 mL5.2991 mL
20mM0.1325 mL0.6624 mL1.3248 mL2.6496 mL
Quality Control Documentation
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%DMSO + % + %Tween 80 + %ddH2O

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Method for preparing DMSO master liquid: mg drug pre-dissolved in µL DMSO(Master liquid concentration mg/mL) ,Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation: Take µL DMSO master liquid, next add µL PEG300, mix and clarify, next add µL Tween 80,mix and clarify, next add µL ddH2O,mix and clarify.
Note:
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