SMILES:

CC1=NN=C(S1)C2=NN=C(C=C2)N3CCC(CC3)OC4=CC=CC=C4C(F)(F)F
MF-438 Chemical Structure
Chemical Structure
Check the MF-438 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 2-methyl-5-[6-[4-[2-(trifluoromethyl)phenoxy]piperidin-1-yl]pyridazin-3-yl]-1,3,4-thiadiazole
CAS Number 921605-87-0
Molecular Formula

C19H18F3N5OS

Molecular Weight (MW) 421.44
SMILES CC1=NN=C(S1)C2=NN=C(C=C2)N3CCC(CC3)OC4=CC=CC=C4C(F)(F)F
InChIKey NVUJDKDVOZVALT-UHFFFAOYSA-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 30 mg/mL (71.18 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 8 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.