7,7’-(Carbonyldiimino)bis(4-hydroxynaphthalene-2-sulfonic Acid) CAS 134-47-4

Purity 97%+In StockPharmaceutical Standards
CAS No.134-47-4
Molecular FormulaC21H16N2O9S2
Molecular Weight504.49 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

7,7’-(Carbonyldiimino)bis(4-hydroxynaphthalene-2-sulfonic Acid) CAS 134-47-4 chemical structure

Description

Order 7,7’-(Carbonyldiimino)bis(4-hydroxynaphthalene-2-sulfonic Acid) (CAS 134-47-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H16N2O9S2. Molecular weight: 504.49 g/mol. COA included with every batch.

Physical & Chemical Properties

Molecular FormulaC21H16N2O9S2
Molecular Weight504.49 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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms2
Sulfur Atoms2

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