Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 12110543Generated: October 23, 2026

5-Methylpyridine-2-sulfonic acid

Clazosentan Impurity 10 · Clazosentan Impurity 72 · 5-Methylpyridine-2-sulfonic acid · 2-Pyridinesulfonic acid, 5-methyl-

https://huagongshe.com/en/chemical/12110543

5-Methylpyridine-2-sulfonic acid molecular structure

Identifiers & Physical Properties

CAS No.733746-65-1
Molecular formulaC6H7NO3S
Average molar mass173.19 g/mol
Monoisotopic mass173.01466408 g/mol
SMILESCc1ccc(S(=O)(=O)O)nc1
InChIKeyXYDHSCZUHCZWHJ-UHFFFAOYSA-N
PubChem CID12110543
DTXSIDDTXSID60477754

Chemical & Physical Properties

XLogP0.3
Topological polar surface area75.6
Hydrogen bond donors1
Hydrogen bond acceptors4
Rotatable bonds1
Heavy atoms11
Formal charge0
Complexity218
Density1.422±0.06 g/cm3(Predicted)
pKa (acidity coefficient)-2.75±0.50(Predicted)