Epalrestat  Impurity 20 CAS 23176-01-4

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.23176-01-4
Molecular FormulaC7H9NO3S2
Molecular Weight219.28 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Epalrestat  Impurity 20 CAS 23176-01-4 chemical structure

Description

Epalrestat  Impurity 20 (CAS 23176-01-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H9NO3S2. Molecular weight: 219.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC7H9NO3S2
Molecular Weight219.28 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms1
Sulfur Atoms2

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