1H-Benzimidazolesulfonic acid, 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-, sodium salt CAS 70267-73-1

Purity 97%+In StockPharmaceutical Standards
CAS No.70267-73-1
Molecular FormulaC20H18N3O5S Na
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1H-Benzimidazolesulfonic acid, 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-, sodium salt CAS 70267-73-1 chemical structure

Description

1H-Benzimidazolesulfonic acid, 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-, sodium salt (CAS 70267-73-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H18N3O5S Na. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC20H18N3O5S Na
Molecular Weight435.43 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)13.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1977
Nitrogen Atoms3
Sulfur Atoms1

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