Acid Blue 62 CAS 4368-56-3

Purity >80%In StockPharmaceutical Standards
CAS No.4368-56-3
Molecular FormulaC20H19N2O5S
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Acid Blue 62 CAS 4368-56-3 chemical structure

Description

As a certified reference material (CRM), Acid Blue 62 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Acid Blue 62 (CAS 4368-56-3) is a high-purity analytical reference standard with the molecular formula C20H19N2O5SNa and a molecular weight of 422.43 g/mol.

Structurally, Acid Blue 62 (C20H19N2O5SNa) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.5, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 422.43 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

Physical & Chemical Properties

Molecular FormulaC20H19N2O5S Na
Molecular Weight422.43 g/mol
Purity>80%
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)12.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms2
Sulfur Atoms1

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