CAS No. 1104-22-9

Batch: Purity:99.98
Meclizine 2HCl Chemical Structure
Chemical Structure
Check the Meclizine 2HCl product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 1-[(4-chlorophenyl)-phenylmethyl]-4-[(3-methylphenyl)methyl]piperazine;dihydrochloride
CAS Number 1104-22-9
Molecular Formula

C25H27Cl2N2.2HCl

Molecular Weight (MW) 463.87
SMILES CC1=CC(=CC=C1)CN2CCN(CC2)C(C3=CC=CC=C3)C4=CC=C(C=C4)Cl.Cl.Cl
InChIKey VCTHNOIYJIXQLV-UHFFFAOYSA-N

Ordering Information

Biological Activity

Meclizine 2HCl is a histamine H1 receptor antagonist, human pregnane X receptor (hPXR) agonist, mouse constitutive androstane receptor (mCAR) agonist, and human CAR (hCAR) inverse agonist. It depresses labyrinth excitability and vestibular stimulation while increasing hPXR target gene expression. Furthermore, meclizine inhibits mitochondrial respiration and oxidative phosphorylation, thereby altering cellular energy metabolism and protecting against ischemic injury. [1][2]

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 2 mg/mL
DMSO 1 mg/mL (2.15 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous 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.