cis-4-Oxo-1,2-cyclopentanedicarboxylic acid diethyl ester CAS 156293-34-4

Purity 97%+In StockPharmaceutical Standards
CAS No.156293-34-4
Molecular FormulaC11H16O5
Molecular Weight228.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

cis-4-Oxo-1,2-cyclopentanedicarboxylic acid diethyl ester CAS 156293-34-4 chemical structure

Description

cis-4-Oxo-1,2-cyclopentanedicarboxylic acid diethyl ester (CAS 156293-34-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C11H16O5. Molecular weight: 228.24 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC11H16O5
Molecular Weight228.24 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2001

Recommended Standards

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