Synonym(s): 4-[2-[1,5-dihydro-3-(4-nitrophenyl)-5-oxo-1-phenyl-4H-pyrazol-4-ylidene]hydrazinyl]-benzenesulfonic acid sodium salt hydrate
Empirical Formula: C21H15N5O6S -+ xNa+ -+ yH2O
Linear Formula: C21H15N5O6S -+ xNa+ -+ yH2O
Formula Weight: 465.44 (anhydrous free acid basis)
Purity: ≥98% (HPLC)
Storage: 2-8°C