SMILES:

CC1=C(C=CN=C1CS(=O)C2=NC3=CC=CC=C3[N-]2)OCCCOC.[Na+]
Rabeprazole sodium Chemical Structure
Chemical Structure
Check the Rabeprazole sodium product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name sodium 2-[[4-(3-methoxypropoxy)-3-methyl-2-pyridinyl]methylsulfinyl]benzimidazol-1-ide
CAS Number 117976-90-6
Molecular Formula

C18H20N3O3S.Na
Molecular Weight (MW) 381.42
SMILES CC1=C(C=CN=C1CS(=O)C2=NC3=CC=CC=C3[N-]2)OCCCOC.[Na+]
InChIKey KRCQSTCYZUOBHN-UHFFFAOYSA-N

How to Prepare Stock Solution?

Concentration Volume Mass
🧮 Molarity Calculator

Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 76 mg/mL (199.25 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.