CAS No. 132-69-4

Batch: Purity:99.46
Benzydamine HCl Chemical Structure
Chemical Structure
Check the Benzydamine HCl product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 132-69-4
Molecular Formula

C19H23N3O.HCl

Molecular Weight (MW) 345.87
SMILES CN(C)CCCOC1=NN(C2=CC=CC=C21)CC3=CC=CC=C3.Cl

Ordering Information

Biological Activity

Benzydamine HCl is a locally acting nonsteroidal anti-inflammatory drug (NSAID) with analgesic, antipyretic, and local anesthetic properties. It acts predominantly by inhibiting the synthesis and release of pro-inflammatory cytokines, including TNF-α and IL-1β, without directly inhibiting cyclooxygenase enzymes at therapeutic concentrations. Consequently, it attenuates local inflammatory signaling, reduces vascular permeability, and relieves localized pain and swelling. [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
DMSO 69 mg/mL (199.49 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water 69 mg/mL
Ethanol 69 mg/mL
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.