CAS 1240502-50-4 appears in our catalog under these names: E· coli Extract Polar, E· coli Extract Total, E. coli Extract Total, E. coli Extract Polar. Offered by: GLPBio, MedChemExpress, Sigma-Aldrich. Available pack sizes: 100mg, Get quote, 50 mg, 10 mg, 25 mg, 5 mg, 1G, 500MG.