CAS No. 5987-82-6

Batch: Purity:99.86
Oxybuprocaine HCl Chemical Structure
Chemical Structure
Check the Oxybuprocaine HCl product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 2-(diethylamino)ethyl 4-amino-3-butoxybenzoate;hydrochloride
CAS Number 5987-82-6
Molecular Formula

C17H28N2O3.HCl

Molecular Weight (MW) 344.88
SMILES CCCCOC1=C(C=CC(=C1)C(=O)OCCN(CC)CC)N.Cl
InChIKey PRGUDWLMFLCODA-UHFFFAOYSA-N

Ordering Information

Biological Activity

Oxybuprocaine HCl is a local anesthetic that acts as a sodium channel inhibitor. It reversibly binds to voltage-gated sodium channels on neuronal membranes, inhibiting influx of sodium ions during depolarization. This blockade prevents the generation and conduction of nerve action potentials, suppressing sensory signal transmission. Consequently, oxybuprocaine stabilizes neuronal membranes and reduces cellular excitability in peripheral nerve pathways. [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 (200.06 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.