D 1278 (OTTO) Deoxycholic acid, 99% Cas 83-44-3 - used as a component in cell lysis buffers. D 1278 (OTTO) Deoxycholic acid, 99% Cas 83-44-3 - used in a modified procedure to recover 40-80% of a protein from a 1 µg/mL solution. It forms complexes with fatty acid.