CAS No. 117570-53-3

Batch: Purity:99.94
Vadimezan (DMXAA) Chemical Structure
Chemical Structure
Check the Vadimezan (DMXAA) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 2-(5,6-dimethyl-9-oxoxanthen-4-yl)acetic acid
CAS Number 117570-53-3
Molecular Formula

C17H14O4

Molecular Weight (MW) 282.29
SMILES CC1=C(C2=C(C=C1)C(=O)C3=CC=CC(=C3O2)CC(=O)O)C
InChIKey XGOYIMQSIKSOBS-UHFFFAOYSA-N

Ordering Information

Biological Activity

Vadimezan (DMXAA) is a tumor vascular disrupting agent that functions as a selective agonist of mouse STING (stimulator of interferon genes). Activation of the STING pathway induces expression of type I interferons, particularly IFN-β, and downstream proinflammatory cytokines to stimulate antineoplastic immunity. Furthermore, Vadimezan promotes endothelial cell apoptosis and disrupts tumor microvascular blood supply, triggering hemorrhagic necrosis and inhibiting tumor growth. [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 16 mg/mL (56.67 mM) ; Warmed with 60°C water bath ; Ultrasonicated
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
7.5%Sodium bicarbonate 10 mg/mL (Ultrasonic and heating for 5 minutes.)
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.