CHAPS, 3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonate, is a zwitterionic detergent that is used for protecting the native state of proteins.  This zwitterionic detergent is useful for membrane protein solubilization when it is important to maintain protein activity.  It is electrically neutral and easily removed by dialysis.     White solid soluble in water   Store at room temperature   C32H58N2O7S   Mwt: 614.88   [75621-03-3]