CAS No. 170105-16-5

Batch: Purity:99.6
Imidafenacin Chemical Structure
Chemical Structure
Check the Imidafenacin product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 4-(2-methylimidazol-1-yl)-2,2-diphenylbutanamide
CAS Number 170105-16-5
Molecular Formula

C20H21N3O

Molecular Weight (MW) 319.40
SMILES CC1=NC=CN1CCC(C2=CC=CC=C2)(C3=CC=CC=C3)C(=O)N
InChIKey SQKXYSGRELMAAU-UHFFFAOYSA-N

Ordering Information

Biological Activity

Imidafenacin is a potent muscarinic receptor antagonist that selectively targets muscarinic M3 and M1 receptors over M2 receptors. By blocking muscarinic receptors in urinary bladder smooth muscle, it inhibits acetylcholine-induced bladder contractions and suppresses detrusor muscle overactivity. Consequently, imidafenacin effectively ameliorates bladder hyperactivity and increases voiding capacity in preclinical models of overactive bladder.

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 63 mg/mL (197.24 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
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.