Molecular Weight: 381.43 g/mol

Furimazine (PBI 3939) Chemical Structure
Chemical Structure
Check the Furimazine (PBI 3939) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 76 mg/mL (199.25 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water Insoluble
Ethanol 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).

Chemical Information

IUPAC Name 8-benzyl-2-(furan-2-ylmethyl)-6-phenylimidazo[1,2-a]pyrazin-3-ol
CAS Number 1374040-24-0
Molecular Formula

C24H19N3O2

Molecular Weight (MW) 381.43
InChIKey HTBLMRUZSCCOLL-UHFFFAOYSA-N

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