CAS No. 2454246-18-3

Batch: Purity:99.98
YQ128 Chemical Structure
Chemical Structure
Check the YQ128 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name N-[(5-chloro-2-propoxyphenyl)methyl]-N-[2-[4-(prop-2-ynylsulfamoyl)phenyl]ethyl]-2-thiophen-3-ylacetamide
CAS Number 2454246-18-3
Molecular Formula

C27H29ClN2O4S2

Molecular Weight (MW) 545.11
SMILES CCCOC1=C(CN(CCC2=CC=C(C=C2)[S](=O)(=O)NCC#C)C(=O)CC3=CSC=C3)C=C(Cl)C=C1
InChIKey SFPYRFRNYALLHS-UHFFFAOYSA-N

Ordering Information

Biological Activity

YQ128 is a selective inhibitor of the NLRP3 inflammasome with an IC50 of 0.30 μM. Designed as a novel chemical scaffold to target NLRP3-driven inflammation, YQ128 effectively blocks NLRP3 inflammasome activation. Experimental evaluations in both in vitro and in vivo models confirm its selective NLRP3 inhibition and significant brain penetration, supporting its therapeutic potential for neurodegenerative and central nervous system disorders. [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 100 mg/mL (183.44 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 3 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.