CAS No. 23593-75-1

Batch: Purity:99.97
Clotrimazole Chemical Structure
Chemical Structure
Check the Clotrimazole product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 1-[(2-chlorophenyl)-diphenylmethyl]imidazole
CAS Number 23593-75-1
Molecular Formula

C22H17ClN2

Molecular Weight (MW) 344.84
SMILES C1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=CC=C3Cl)N4C=CN=C4
InChIKey VNFPBHJOKIVQEB-UHFFFAOYSA-N

Ordering Information

Biological Activity

Clotrimazole is a synthetic, broad-spectrum imidazole antifungal agent that targets ergosterol biosynthesis. By inhibiting cytochrome P450-dependent sterol 14α-demethylase, it disrupts the synthesis of ergosterol, a primary structural component of the fungal cell membrane. This depletion alters cell membrane permeability, triggering the leakage of essential intracellular metabolites and ions, which ultimately results in membrane damage and fungal cell lysis. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
Ethanol 69 mg/mL
DMSO 11 mg/mL (31.89 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
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).

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