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| IUPAC Name: | pyridine-3-sulfonic acid |
| Description: | 3-Pyridinesulfonic acid (CAS# 636-73-7) is an impurity of Vonoprazan, a potassium-competitive acid blocker (P-CAB) that suppresses gastric acid secretion. |
| Molecular Weight: | 159.16 |
| Molecular Formula: | C5H5NO3S |
| Canonical SMILES: | C1=CC(=CN=C1)S(=O)(=O)O |
| InChI: | InChI=1S/C5H5NO3S/c7-10(8,9)5-2-1-3-6-4-5/h1-4H,(H,7,8,9) |
| InChI Key: | DVECLMOWYVDJRM-UHFFFAOYSA-N |
| Density: | 1.509 g/cm3 |
| Appearance: | White or yellow crystalline powder |
| MDL: | MFCD00006381 |
| LogP: | 1.40910 |
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