4-Sulfonamido Phenyl Hydrazine Hydrochloride (4 SPH)

Molecular structure:

• Molecular formula: C5H5NO4S
• Molecular weight: 175.16
• CAS Number: 51498-37-4
• Application: Use for manufacturing of Torsemide

Chemical Name [IUPAC Name]:
4-Pyridinol-3-Sulfonic Acid;