Bis(4-sulfobutyl)ether is a sulfonic acid derivative used as an inhibitor of amyloid B peptide for modulating cerebral amyloid angiopathy.Appearance: White to Off-White SolidPurity: ~90%Melting Point: >296°C (dec.)Solubility:Water (Slightly) Atmosphere:Inert gasMethod for Determining Identity:Proton NMR (DO2) Spectroscopic Analysis and Mass Spectrometric Analysis.TLC Conditions:As reported Elemental Analysis: (Calculated) %C: 28.74, %H: 4.82Sodium Content:As reportedStorage and Stability:May be stored at 4°C desiccanted. For maximum recovery of product, centrifuge the original vial and prior to removing the cap. Hygroscopic, under inert atmosphere