CAS No. 849776-05-2

Batch: Purity:98.19
Ladarixin Chemical Structure
Chemical Structure
Check the Ladarixin product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name [4-[(2R)-1-(methanesulfonamido)-1-oxopropan-2-yl]phenyl] trifluoromethanesulfonate
CAS Number 849776-05-2
Molecular Formula

C11H12F3NO6S2

Molecular Weight (MW) 375.34
InChIKey DDLPYOCJHQSVSZ-SSDOTTSWSA-N

Ordering Information

Biological Activity

Ladarixin is an orally available, small-molecule, allosteric, and non-competitive dual CXCR1 and CXCR2 antagonist. By blocking CXCR1 and CXCR2 receptor signaling, it suppresses chemokine-driven neutrophil activation and chemotaxis. Downstream inhibition of neutrophilic recruitment attenuates acute and chronic neutrophilic influx, mitigating inflammatory tissue injury across preclinical models of respiratory and systemic inflammatory disorders, including asthma and COPD.

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 75 mg/mL (199.81 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 75 mg/mL
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).
Note: Technical data last updated: Sep 1, 2026.