Synonyms:2-[[(3a,5B,7a,12a)-3,7,12-Trihydroxy-24-oxocholan-24-yl]amino]-ethanesulfonic Acid-d5 Sodium Salt; 3a,7a,12a-Trihydroxy-5B-cholanic Acid-24-taurine-d5 Sodium Salt; Cholaic Acid-d5 Sodium Salt; Cholic Acid-d5 Taurine Sodium Salt; Cholyltaurine-d5 Sodium Salt; N-Choloyltaurine-d5 Sodium Salt; NSC 25505-d5 Sodium SaltMolecular Formula:C26H39D5NNaO7SMolecular Weight:542.72AppearanceSupplied as a white to off-white solid.Purity:Chemical: ~98%; Isotopic: ~98%Melting Point:>169ºC (dec)Solubility:Ethanol (slightly), Methanol (slightly) Atmosphere:Inert GasMethod for Determining Identity:Proton NMR (DMSO-d6, CD3OD) Spectroscopic and Mass Spectrometric AnalysisTLC Conditions:As ReportedSpecific Rotation:+26.9º (c=0.3, Ethanol)Sodium Content:As ReportedStorage and Stability:May be stored at RT for short-term only. Long-term storage is recommended at 4ºC. 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.