CAS No. 1005264-47-0

Batch: Purity:99.99
MX69 Chemical Structure
Chemical Structure
Check the MX69 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 4-[8-[(3,4-dimethylphenyl)sulfamoyl]-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-4-yl]benzoic acid
CAS Number 1005264-47-0
Molecular Formula

C27H26N2O4S

Molecular Weight (MW) 474.57
SMILES CC1=C(C=C(C=C1)NS(=O)(=O)C2=CC3=C(C=C2)NC(C4C3C=CC4)C5=CC=C(C=C5)C(=O)O)C
InChIKey XCBONKHCCRJMNW-UHFFFAOYSA-N

Ordering Information

Biological Activity

MX69 acts as a small-molecule MDM2/XIAP inhibitor that targets the MDM2 RING domain. By selectively binding to the RING domain of MDM2, MX69 inhibits MDM2 E3 ubiquitin ligase activity and prevents MDM2-mediated protein degradation. Disruption of this signaling axis restores downstream p53 tumor suppressor pathway activity, leading to inhibition of cellular proliferation, cell cycle arrest, and induction of apoptosis in various cancer cell models. [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 95 mg/mL (200.18 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 41 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).

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Note: Technical data last updated: Sep 1, 2026.