CAS No. 475473-26-8

Batch: Purity:97.00
CORM-3 Chemical Structure
Chemical Structure
Check the CORM-3 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 475473-26-8
Molecular Formula

C5 H4 Cl N O5 Ru

Molecular Weight (MW) 294.61
SMILES [CH+]=O.[CH+]=O.[CH+]=O.C(C(=O)O)[NH-].Cl[Ru]

Ordering Information

Biological Activity

CORM-3 is a water-soluble carbon monoxide-releasing molecule that exhibits anti-inflammatory and cardioprotective activities. It attenuates lipopolysaccharide-induced inflammatory signaling in macrophages by suppressing pro-inflammatory cytokine production, including TNF-α and IL-1β, through modulation of NF-κB pathway activation. In cardiac tissue, CORM-3 reduces myocardial ischemia-reperfusion injury and preserves mitochondrial function, leading to decreased infarct size and enhanced cell survival. [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
DMSO 38 mg/mL (128.98 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water Insoluble
Ethanol 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).
Note: Technical data last updated: Sep 1, 2026.