CAS No. 931398-72-0

Batch: Purity:99.74
IOX2 Chemical Structure
Chemical Structure
Check the IOX2 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 2-[(1-benzyl-4-hydroxy-2-oxoquinoline-3-carbonyl)amino]acetic acid
CAS Number 931398-72-0
Molecular Formula

C19H16N2O5

Molecular Weight (MW) 352.34
SMILES C1=CC=C(C=C1)CN2C3=CC=CC=C3C(=C(C2=O)C(=O)NCC(=O)O)O
InChIKey CAOSCCRYLYQBES-UHFFFAOYSA-N

Ordering Information

Biological Activity

IOX2 is a potent inhibitor of HIF-1α prolyl hydroxylase-2 (PHD2) that displays marked selectivity over histone demethylases including JMJD2A, JMJD2C, JMJD2E, and JMJD3, as well as factor inhibiting HIF. By inhibiting PHD2 activity, IOX2 blocks the oxygen-dependent hydroxylation and subsequent ubiquitin-mediated degradation of HIF-1α, thereby promoting HIF-1α protein stabilization and activation of downstream hypoxic gene expression pathways. [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 7 mg/mL (19.86 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).

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