GSK251

For research use only. Not for therapeutic Use.

  • CAT Number: I045341
  • CAS Number: 2125968-05-8
  • Molecular Formula: C29H37FN6O4S
  • Molecular Weight: 584.71
  • Purity: ≥95%
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GSK251 (Cat No.: I045341) is a highly potent, selective, and orally bioavailable small‑molecule inhibitor of PI3Kδ (phosphoinositide 3-kinase delta), developed by GSK. It features a novel binding mode that enhances selectivity and oral pharmacokinetics, making it one of the most promising compounds in its class. GSK251 is active in preclinical cancer models, particularly targeting PI3Kδ‑driven signaling, and is being used as a bioresearch tool to dissect PI3K/Akt/mTOR pathway biology in immuno-oncology and hematologic malignancies


CAS Number 2125968-05-8
Synonyms

N-[2-[2-fluoro-4-[(4-propan-2-ylpiperazin-1-yl)methyl]phenyl]pyridin-4-yl]-2-methoxy-5-morpholin-4-ylpyridine-3-sulfonamide

Molecular Formula C29H37FN6O4S
Purity ≥95%
InChI InChI=1S/C29H37FN6O4S/c1-21(2)35-10-8-34(9-11-35)20-22-4-5-25(26(30)16-22)27-17-23(6-7-31-27)33-41(37,38)28-18-24(19-32-29(28)39-3)36-12-14-40-15-13-36/h4-7,16-19,21H,8-15,20H2,1-3H3,(H,31,33)
InChIKey ODQVPYNCHSLNGV-UHFFFAOYSA-N
SMILES CC(C)N1CCN(CC1)CC2=CC(=C(C=C2)C3=NC=CC(=C3)NS(=O)(=O)C4=C(N=CC(=C4)N5CCOCC5)OC)F
Reference

[1]. Down K, et al. Discovery of GSK251: A Highly Potent, Highly Selective, Orally Bioavailable Inhibitor of PI3Kδ with a Novel Binding Mode. J Med Chem. 2021 Sep 23;64(18):13780-13792.
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