Coomassie Brilliant Blue G-250 is a synthetic dye with the CAS number 2650-18-2, chemical formula C41H50N3NaO9S2, and molecular weight of 818.85 g/mol. It is commonly used for the detection and quantification of proteins in electrophoretic gels. It is also used for staining and destaining proteins in biochemical research and other analytical techniques. For more information, see the PubMed link: https://pubmed.ncbi.nlm.nih.gov/17384784/.