HEPES FREE ACID Grade:HIGH PURITY GRADE CAS Number: 7365-45-9Synonym(s): 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid, N-(2-hydroxyethyl)piperazine-N'-2-ethanesulfonic acid Molecular Weight: 238.30Molecular Formula: C8H18N2O4S Storage Condition: ROOM TEMPERATURE CodeSizePriceQuantity 0511-50G 0511-250G 0511-1KG One of the best general purpose buffers available for biological research. Has been used to advantage in tissue culture, oxidative phosphorylation, protein synthesis with cell-free bacterial systems, photophosphorylation, CO2 fixation; Suitable buffer for TEM studies (Transmission Electron Microscopy) as it does not affect metal substrates; Recommended buffer for the glutamate binding assay, prevents binding to non-receptor materials.