CAS No. 2474876-09-8

Batch: Purity:99.82
GSK046 (iBET-BD2) Chemical Structure
Chemical Structure
Check the GSK046 (iBET-BD2) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 4-acetamido-3-fluoro-N-(4-hydroxycyclohexyl)-5-[(1S)-1-phenylethoxy]benzamide
CAS Number 2474876-09-8
Molecular Formula

C23H27FN2O4

Molecular Weight (MW) 414.47
SMILES CC(OC1=CC(=CC(=C1NC(C)=O)F)C(=O)NC2CCC(O)CC2)C3=CC=CC=C3
InChIKey FRBRZGLUFOZRGD-YCMKEVRSSA-N

Ordering Information

Biological Activity

GSK046 (iBET-BD2) is a selective, orally active inhibitor targeting the second bromodomain (BD2) of bromodomain and extraterminal (BET) proteins, including BRD2, BRD3, BRD4, and BRDT. By selectively binding BD2, it inhibits BET interactions with acetylated chromatin, modulating downstream transcriptional programs involved in immunomodulatory and inflammatory pathways. GSK046 exhibits potent immunomodulatory activity and suppresses pro-inflammatory cellular phenotypes. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 83 mg/mL (200.25 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 83 mg/mL
Water Insoluble
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).

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Note: Technical data last updated: Sep 1, 2026.