82814

Pyridinium 3-nitrobenzenesulfonate

purum, ≥98.0% (T)

• Synonym(s): 3-Nitrobenzenesulfonic acid pyridine salt, PNBS
• Empirical Formula (Hill Notation): C₅H₅N · C₆H₅NO₅S
• CAS Number: 84752-61-4
• Molecular Weight: 282.27
• Beilstein: 5685497
• MDL number: MFCD00060234
• UNSPSC Code: 12352100

Properties

• grade: purum
• Assay: ≥98.0% (T)
• mp: 119-122 °C (lit.)
• SMILES string: c1ccncc1.OS(=O)(=O)c2cccc(c2)[N+]([O-])=O
• InChI: 1S/C6H5NO5S.C5H5N/c8-7(9)5-2-1-3-6(4-5)13(10,11)12;1-2-4-6-5-3-1/h1-4H,(H,10,11,12);1-5H
• InChI key: WZZFZXZRKPNZOC-UHFFFAOYSA-N

Description

Other Notes

Mild acid catalyst used for the formation of cyclic orthoester, used e.g. as protecting groups in nucleosides