Synonym(s): 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid; N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)
Formula: C8H18N2O4S
Formula Weight: 238.30
CAS No.: 7365-45-9
Purity: ≥99.5% (titration)
Application: HEPES is an organic zwitterionic buffering agent effective in the physiological pH range of 6.8 to 8.2 (pKa 7.55). It is typically used in cell culture at concentration between 5mM to 30mM.
Physical properties: Useful pH range: 6.8 - 8.2
Other Notes: Easily compare specifications for HEPES products with the HEPES specification table.
Beilstein Registry Number: 883043
EC No.: 230-907-9
Empirical Formula (Hill Notation): C10H8O2