Ponceau 3R CAS 3564-09-8

Purity >85%In StockPharmaceutical Standards
CAS No.3564-09-8
Molecular FormulaC19H16N2O7S2 2*Na
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ponceau 3R CAS 3564-09-8 chemical structure

Description

CATO supplies Ponceau 3R (CAS 3564-09-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H16N2O7S2 2*Na. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC19H16N2O7S2 2*Na
Molecular Weight471.45 g/mol
Purity>85%
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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms2
Sulfur Atoms2

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