Name: 1-(4-Pyridyl)-piperazine CAS: 1008-91-9 Molecular Formula: C5H5NO3S Molecular Weight: 159.163 HomeCASCAS 100 CAS 1008-91-9     Names and Identifiers Name 1-(4-Pyridyl)-piperazine Synonyms 1-(4-Pyridyl)piperazine 4-(1-Piperazino)pyridine 1-(pyridin-4-yl)piperazine pyridine-4-sulfonic acid CAS 1008-91-9 EINECS 213-764-7 InChI InChI=1/C5H5NO3S/c7-10(8,9)5-1-3-6-4-2-5/h1-4H,(H,7,8,9)     Physico-chemical Properties Molecular Formula C5H5NO3S Molar Mass 159.163 g/mol Density 1.509g/cm3 Melting Point 137-141℃ Refractive Index 1.576