CHAPS (3-cholamidopropyl dimethylammonio 1-propanesulfonate) is a non-denaturing zwitterionic detergent for solubilizing membrane proteins and breaking protein-protein interactions. CHAPS is commonly used for protein solubilization in isoelectric focusing and two-dimensional electrophoresis, especially for non-denaturing (without urea) isoelectric focusing.
CHAPS is used at concentrations between 1-4% (v/v) that are generally used in an isoelectric focusing gel. A commonly used isoelectric focusing sample solution consists of 8 M urea, 4% CHAPS, 50mM DTT and 40 mM Tris. Its small micellar molecular weight (6150) allows it to be removed from samples by dialysis.
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Synonyms | : | 3-[(3-Cholamidopropyl)-dimethylammonio]-1-propane sulfonate; N, N-Dimethyl-N-(3-sulfopropyl)-3-[[(3a, 5b, 7a, 12a)-3, 7, 12-trihydroxy-24-oxocholan-24-yl] amino]-1-propanaminium inner salt |
CAS# | : | 75621-03-3 |
Molecular Weight | : | 614.88 g/mol |
Molecular Formula | : | C32H58N2O7S |
Sterility | : | Sterile filtered |
Shelf Life | : | 5 years |
Ship Temperature | : | RT |
Storage Temperature | : | 2-8°C |
Hazmat Shipping | : | Non-Hazardous |