3,6-Bis((E)-(5-chloro-2-hydroxy-3-sulfophenyl)diazenyl)-4,5-dihydroxynaphthalene-2,7-disulfonic acid CAS 2103-73-3

Purity 97%+In StockPharmaceutical Standards
CAS No.2103-73-3
Molecular FormulaC22H14Cl2N4O16S4
Molecular Weight789.53 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,6-Bis((E)-(5-chloro-2-hydroxy-3-sulfophenyl)diazenyl)-4,5-dihydroxynaphthalene-2,7-disulfonic acid CAS 2103-73-3 chemical structure

Description

CATO supplies 3,6-Bis((E)-(5-chloro-2-hydroxy-3-sulfophenyl)diazenyl)-4,5-dihydroxynaphthalene-2,7-disulfonic acid (CAS 2103-73-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C22H14Cl2N4O16S4. Molecular weight: 789.53 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC22H14Cl2N4O16S4
Molecular Weight789.53 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)17.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentCl-containing
Nitrogen Atoms4
Sulfur Atoms4

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