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 °C.
Ontology: ChEBI [CHEBI:42334]  ( EBI )

Relationships
is a type of: HEPES organosulfonic acid
inverse is_conjugate_base_of: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonate
inverse is_tautomer_of: 2-[4-(2-hydroxyethyl)piperazin-4-ium-1-yl]ethanesulfonate
is_conjugate_acid_of: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonate
is_tautomer_of: 2-[4-(2-hydroxyethyl)piperazin-4-ium-1-yl]ethanesulfonate