4-(3-Methyl-5-oxo-4-((4-(tosyloxy)phenyl)diazenyl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid CAS 26455-70-9

Purity 97%+In StockPharmaceutical Standards
CAS No.26455-70-9
Molecular FormulaC23H20N4O7S2
Molecular Weight528.56 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(3-Methyl-5-oxo-4-((4-(tosyloxy)phenyl)diazenyl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid CAS 26455-70-9 chemical structure

Description

CATO supplies 4-(3-Methyl-5-oxo-4-((4-(tosyloxy)phenyl)diazenyl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid (CAS 26455-70-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C23H20N4O7S2. Molecular weight: 528.56 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC23H20N4O7S2
Molecular Weight528.56 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1964
Nitrogen Atoms4
Sulfur Atoms2

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