CAS 75277-39-3 appears in our catalog under these names: HEPES Sodium/ 99.9%, HEPES Sodium salt, HEPES sodium salt, 99% , HEPES sodium salt, 1M solution, HEPES sodium salt, 99.00%. Offered by: TargetMol, GLPBio, Thermo Scientific (Alfa Aesar), Chemat, Biosynth. Available pack sizes: 1g, 250g, 25g, 100g, 1l, 500ml, 1kg, 500g.