85-1718-56　Xanthurenic Acid-d4 2.5mg　022907

特徴

• 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
• Molecular Formula:C10H3D4NO4
• Molecular Weight:209.19
• Appearance:Supplied as a dark yellow to light green solid
• Purity:~90%
• Melting Point:>265ºC
• 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 4°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Store under inert atmosphere.
• 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.