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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 2762831Generated: October 23, 2026

4-methylpyridine-2-sulfonic Acid

-METHYLPYRIDINE-2-SULFONIC ACID · 4-Methylpyridine-2-sulfonic acid · 4-Methyl-2-pyridinesulfonic acid · 2-Pyridinesulfonic acid, 4-methyl-

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4-methylpyridine-2-sulfonic Acid molecular structure

Identifiers & Physical Properties

CAS No.18616-04-1
Molecular formulaC6H7NO3S
Average molar mass173.19 g/mol
Monoisotopic mass173.01466426 g/mol
SMILESCc1ccnc(S(=O)(=O)O)c1
InChIKeyCPONZDBBPJRDSU-UHFFFAOYSA-N
PubChem CID2762831
DTXSIDDTXSID80376492

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
pKa (acidity coefficient)-2.85±0.33(Predicted)