CAS No. 1218-35-5

Batch: Purity:99.71
Xylometazoline HCl Chemical Structure
Chemical Structure
Check the Xylometazoline HCl product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 1218-35-5
Molecular Formula

C16H24N2.HCl

Molecular Weight (MW) 280.84
SMILES CC1=CC(=CC(=C1CC2=NCCN2)C)C(C)(C)C.Cl

Ordering Information

Biological Activity

Xylometazoline HCl is a synthetic imidazoline derivative and potent α-adrenoceptor agonist that targets both α1- and α2-adrenoceptor subtypes, displaying high activation potency at the α2B-adrenoceptor. Engagement of these G protein-coupled receptors triggers downstream signaling cascades that induce intracellular calcium mobilization and inhibition of adenylyl cyclase, leading to vascular smooth muscle contraction and mediated vasoconstriction.

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
Water 56 mg/mL
Ethanol 56 mg/mL
DMSO 27 mg/mL (96.14 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).

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