CAS No. 3644-61-9

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

Chemical Information

IUPAC Name 2-methyl-1-(4-methylphenyl)-3-piperidin-1-ylpropan-1-one;hydrochloride
CAS Number 3644-61-9
Molecular Formula

C16H23NO.HCl

Molecular Weight (MW) 281.82
SMILES CC1=CC=C(C=C1)C(=O)C(C)CN2CCCCC2.Cl
InChIKey ZBUVYROEHQQAKL-UHFFFAOYSA-N

Biological Activity

Tolperisone HCl is a centrally-acting muscle relaxant that functions as a voltage-gated ion channel blocker, primarily inhibiting voltage-gated sodium and calcium channels. By blocking these ion channels, tolperisone depresses monosynaptic and polysynaptic spinal reflexes and reduces neuronal hyperexcitability. This suppression of spinal reflex activity decreases muscle hypertonia and muscle spasms, modulating downstream neuromuscular pathways to exert central muscle relaxant effects.

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 56 mg/mL (198.7 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water 56 mg/mL
Ethanol 56 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.