CAS # 75277-39-3 Synonyms: HEPES sodium salt N-(2-Hydroxyethyl)piperazine-N'-(2-ethanesulfonic acid) sodium salt MDL No.: MFCD00036463 Molecular Formula: C8H17N2O4SNa Molecular Weight: 260.3 Purity Limit: >=99% (anhydrous titration) Storage Temp: Store at RT Appearance: White Powder