Diethyl 4,4'-(ethane-1,1-diyl)bis(3,5-dimethyl-1H-pyrrole-2-carboxylate) CAS 5432-35-9

Purity 97%+In StockPharmaceutical Standards
CAS No.5432-35-9
Molecular FormulaC20H28N2O4
Molecular Weight360.45 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Diethyl 4,4'-(ethane-1,1-diyl)bis(3,5-dimethyl-1H-pyrrole-2-carboxylate) CAS 5432-35-9 chemical structure

Description

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

Diethyl 4,4'-(ethane-1,1-diyl)bis(3,5-dimethyl-1H-pyrrole-2-carboxylate) (CAS 5432-35-9), molecular formula C20H28N2O4 and molecular weight 360.45 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Diethyl 4,4'-(ethane-1,1-diyl)bis(3,5-dimethyl-1H-pyrrole-2-carboxylate) (C20H28N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 360.45 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.

CATO manufactures Diethyl 4,4'-(ethane-1,1-diyl)bis(3,5-dimethyl-1H-pyrrole-2-carboxylate) under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC20H28N2O4
Molecular Weight360.45 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 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms2

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