Celecoxib’s intermediate 
Name:4-Hydrazinobenzene-1-sulfonamide hydrochloride 
Synonyms:4-Sulfonamidophenylhydrazine hydrochloride; 4-Aminosulfonylphenylhydrazine hydrochloride 
Molecular Formula  C6H9N3O2S.HCl   
Molecular Weight  223.68   
CAS Registry Number  17852-52-7   
Purity:99%min
Appearance:Reddish brown crystalline powder