HEPPS 252.114 252.33218 3-[4-(2-hydroxyethyl)piperazin-1-yl]propane-1-sulfonic acid 4-(2-hydroxyethyl)-1-piperazinepropanesulfonic acid Beilstein:3957385 C9H20N2O4S CAS:16052-06-5 CHEBI:32950 CHEBI:42291 CHEBI:42298 EPPS Gmelin:1787069 Hepps InChI=1S/C9H20N2O4S/c12-8-7-11-5-3-10(4-6-11)2-1-9-16(13,14)15/h12H,1-9H2,(H,13,14,15) OCCN1CCN(CCCS(O)(=O)=O)CC1 OWXMKDGYPWMGEB-UHFFFAOYSA-N PDBeChem:EP1 chebi_ontology N-(2-hydroxyethyl)piperazine N-(sulfoalkyl)piperazine