CAS No. 87-17-2

Batch: Purity:99.99
Salicylanilide Chemical Structure
Chemical Structure
Check the Salicylanilide product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 2-hydroxy-N-phenylbenzamide
CAS Number 87-17-2
Molecular Formula

C13H11NO2

Molecular Weight (MW) 213.23
SMILES C1=CC=C(C=C1)NC(=O)C2=CC=CC=C2O
InChIKey WKEDVNSFRWHDNR-UHFFFAOYSA-N

Ordering Information

Biological Activity

Salicylanilide is a broad-spectrum antimicrobial agent exhibiting antibacterial, antimycobacterial, and antifungal activities. It acts primarily by disrupting bacterial cell membrane potential and interfering with essential cellular metabolic pathways. Downstream, this membrane destabilization and metabolic inhibition lead to the suppression of microbial growth and reduced cellular viability across various pathogenic bacteria and fungi.

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 43 mg/mL (201.66 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 18 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).

Aliquotting Service

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