Skip to Content
Merck
All Photos(1)

Key Documents

SML3161

Sigma-Aldrich

GSK2126458

≥98% (HPLC)

Synonym(s):

2,4-Difluoro-N-{2-(methyloxy)-5-[4-(4-pyridazinyl)-6-quinolinyl]-3-pyridinyl}benzenesulfonamide, GSK 2126458, GSK 458, GSK-2126458, GSK-458, GSK2126458A, GSK458, Omipalisib

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C25H17F2N5O3S
CAS Number:
Molecular Weight:
505.50
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.77

Quality Level

Assay

≥98% (HPLC)

form

powder

color

white to beige

solubility

DMSO: 2 mg/mL, clear

storage temp.

2-8°C

SMILES string

FC(C=C1F)=CC=C1S(NC2=CC(C3=CC4=C(C5=CN=NC=C5)C=CN=C4C=C3)=CN=C2OC)(=O)=O

InChI

1S/C25H17F2N5O3S/c1-35-25-23(32-36(33,34)24-5-3-18(26)12-21(24)27)11-17(13-29-25)15-2-4-22-20(10-15)19(7-8-28-22)16-6-9-30-31-14-16/h2-14,32H,1H3

InChI key

CGBJSGAELGCMKE-UHFFFAOYSA-N

Biochem/physiol Actions

GSK2126458 (GSK458) is an orally active, highly potent and selective ATP site inhibitor against phosphoinositide 3-kinase (PI3K p110α CI50 = 40 pM; p100 α/δ/γ/β Ki = 19/24/60/130 pM; p110α E542K/E545K/H1047R Ki = 8/8/9 pM), mTOR (mTORC1/C2 Ki = 180/300 pM) and DNA-PK (IC50 = 280 pM) with >10,000-fold selectivity over more than 240 other kinases evaluated. GSK458 inhibits cellular AKT pS473 and growth of breast cancer cells in cultures (pAKT/growth IC50 = 0.41/3 nM/T-47D and 0.18/2.4/BT-474) and in vivo (0.3-3 mg/kg, 5x per wk for 3 wks p.o. in mice).

Pictograms

Health hazardExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Repr. 2 - STOT RE 1

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service