2D Structure
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2D chemical structural formula diagram.

3D Structure
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This 3D model represents a theoretically simulated conformation and is for reference only.

Check the VTX-27 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name (2R)-2-[(2S)-4-[3-chloro-5-fluoro-6-(2H-pyrazolo[3,4-b]pyridin-3-yl)-2-pyridinyl]piperazin-2-yl]-3-methylbutan-2-ol
CAS Number 1321924-70-2
Molecular Formula

C20H24ClFN6O

Molecular Weight (MW) 418.90
SMILES CC(C)C(C)(C1CN(CCN1)C2=C(C=C(C(=N2)C3=C4C=CC=NC4=NN3)F)Cl)O
InChIKey HXWARSZQGAFXJM-MGPUTAFESA-N

How to Prepare Stock Solution?

Concentration Volume Mass
🧮 Molarity Calculator

Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 84 mg/mL (200.52 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 5 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).
Note: Technical data last updated: Sep 1, 2026.