Labeled Xanthurenic Acid. Excreted by pyridoxine-deficient animals after the ingestion of tryptophan. Synonyms: 4,8-Dihydroxy-2-quinolinecarboxylic Acid-d4, 4,8-Dihydroxyquinaldic Acid-d4, 8-Hydroxykynurenic Acid-d4, NSC 401570-d4, Xanthuric Acid-d4 CAS No: 1329611-28-0 59-00-7-unlabeled Molecular Formula: C10H3D4NO4 Molecular Weight: 209.19 Appearance: Supplied as a dark yellow to light green solid Purity: ~90% Melting Point: >265C Solubility: DMSO (Slightly, Heated) Method for Determining Identity: Proton NMR (DSMO-d6) and Mass Spectrometric Analysis TLC Conditions: C18, Isopropanol: Ammonium Hydroxide: Methanol =8:1:1, Visualized with UV and KMnO4, Single spot, Rf=0.40 Elemental Analysis: Calculated: %C: 57.41, %H: 3.37, %N: 6.70 Normalized Intensity: d0=0.05%, d1=0.07%, d2=0.52%, d3=9.68%, d4=89.68% Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at 4C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Store under inert atmosphere.
Molekulargewicht:
209.19
Reinheit:
~90%
Formulierung:
Supplied as a dark yellow to light green solid
CAS Nummer:
[1329611-28-0]
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