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 FM-381 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name (E)-2-cyano-3-[5-(3-cyclohexyl-3,5,8,10-tetrazatricyclo[7.3.0.02,6]dodeca-1,4,6,8,11-pentaen-4-yl)furan-2-yl]-N,N-dimethylprop-2-enamide
CAS Number 2226521-65-7
Molecular Formula

C24H24N6O2

Molecular Weight (MW) 428.49
SMILES CN(C)C(=O)C(=CC1=CC=C(O1)C2=NC3=CN=C4C(=C3N2C5CCCCC5)C=CN4)C#N
InChIKey GJMZWYLOARVASY-NTCAYCPXSA-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 20 mg/mL (46.67 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 2 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.