CAS No. 117-96-4

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

Chemical Information

CAS Number 117-96-4
Molecular Formula

C11H9I3N2O4
Molecular Weight (MW) 613.91
SMILES CC(=O)NC1=C(C(=C(C(=C1I)C(=O)O)I)NC(=O)C)I

Biological Activity

Diatrizoic acid is an organic, iodinated radiocontrast agent used as a diagnostic contrast medium in radiologic imaging. Containing three high-density iodine atoms per molecule, it absorbs X-ray radiation to attenuate photon transmission through fluids and tissues. This mechanism enhances anatomical contrast in body cavities and vascular structures, facilitating the visualization of tissue morphology during computed tomography and radiographic procedures. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
🧮 Molarity Calculator

Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
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).

Reference

[1] Ann Intern Med. 1982;97(1):160-160.

Jump to

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