1,2-Bis(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid, mixture of diastereomers CAS 656243-36-6

Purity 97%+In StockPharmaceutical Standards
CAS No.656243-36-6
Molecular FormulaC20H21NO5
Molecular Weight355.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,2-Bis(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid, mixture of diastereomers CAS 656243-36-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 355.38 g/mol gives 1,2-Bis(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid, mixture of diastereomers distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1,2-Bis(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid, mixture of diastereomers (CAS 656243-36-6) is a high-purity analytical reference standard with the molecular formula C20H21NO5 and a molecular weight of 355.38 g/mol.

Based on its molecular formula C20H21NO5, 1,2-Bis(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid, mixture of diastereomers contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 355.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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

As a certified reference material (CRM), 1,2-Bis(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid, mixture of diastereomers 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.

Physical & Chemical Properties

Molecular FormulaC20H21NO5
Molecular Weight355.38 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Nitrogen Atoms1

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