CAS No. 148-79-8

Batch: Purity:100
Thiabendazole Chemical Structure
Chemical Structure
Check the Thiabendazole product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 4-(1H-benzimidazol-2-yl)-1,3-thiazole
CAS Number 148-79-8
Molecular Formula

C10H7N3S

Molecular Weight (MW) 201.25
SMILES C1=CC=C2C(=C1)NC(=N2)C3=CSC=N3
InChIKey WJCNZQLZVWNLKY-UHFFFAOYSA-N

Ordering Information

Biological Activity

Thiabendazole is a benzimidazole derivative and anthelminthic agent that acts as a potent inhibitor of cytochrome P450 1A2 (CYP1A2) and helminth-specific fumarate reductase. By inhibiting fumarate reductase, it impairs the citric acid cycle and disrupts mitochondrial respiration. This pathway blockade suppresses downstream cellular ATP production, ultimately compromising energy metabolism and leading to helminth death.

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
DMSO 40 mg/mL (198.75 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 1 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).

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