Term Name:	2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid
Synonyms:	2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid, 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID, 4-(2-Hydroxyethyl)-1-piperazineethane sulfonic acid, Hepes
Definition:	A HEPES that is ethanesulfonic acid in which one of the methyl hydrogens is replaced by a 4-(2-hydroxyethyl)piperazin-1-yl group. A Good's buffer substance, pKa = 7.55 at 20 degreeC.
Ontology:	ChEBI [CHEBI:42334]  ( EBI )