Diatrizoic acid (Amidotrizoic Acid)

Density gradient reagent for blood cell seperation. Diagnostic aid (radiopaque medium).||Synonyms:|3,5-Bis(acetylamino)-2,4,6-triiodobenzoic Acid;|2,4,6-Triiodo-3,5-diacetamidobenzoic Acid; Diatrizoic Acid; Diatrizoate; NSC 262168; Odiston; Urografin Acid; Urogranoic Acid; Urotrast||CAS No:|117-96-4|Sodium Salt: 737-31-5||Molecular Formula:|C₁₁H₁₉I₃N₂O₄||Molecular Weight:|613.91||Appearance:|White to off white solid||Purity:|≥97%||Melting Point:|>240˚C (dec.)||Solubility:|DMSO (Slightly), Methanol (Slightly) |||Method for Determining Identity:|Proton NMR (DMSO-d6) Spectroscopic and Mass Spectrometric Analysis ||TLC Conditions:|C18; Ethyl Acetate: Methanol: Acetic Acid = 7:3:0.5. Visualized with UV. Single spot; Rf=0.40||Elemental Analysis:|Calculated: %C:21.52, %H: 1.48, |%N: 4.56||Storage and Stability:|Lyophilized and reconstituted products are stable for 6 months after receipt at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.||Important Note: |This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. ||Toxicity and Hazards: |All products should be handled by qualified personnel only, trained in laboratory procedures.