41639-72-9 N-[5-[bis(2-methoxyethyl)amino]-2-[(2-bromo-6-cyano-4-nitrophenyl)azo]phenyl]acetamide [1,1'-Biphenyl]-4-carboxylic acid (3aR,4R,5R,6aS)-hexahydro-2-oxo-4-[(1E)-3-oxo-5-phenyl-1-pentenyl]-2H-cyclopenta[b]furan-5-yl ester CAS 41639-72-9

Purity 97%+In StockPharmaceutical Standards
CAS No.41639-72-9
Molecular FormulaC31H28O5
Molecular Weight480.55 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

41639-72-9 N-[5-[bis(2-methoxyethyl)amino]-2-[(2-bromo-6-cyano-4-nitrophenyl)azo]phenyl]acetamide [1,1'-Biphenyl]-4-carboxylic acid (3aR,4R,5R,6aS)-hexahydro-2-oxo-4-[(1E)-3-oxo-5-phenyl-1-pentenyl]-2H-cyclopenta[b]furan-5-yl ester CAS 41639-72-9 chemical structure

Description

As a certified reference material (CRM), 41639-72-9 N-[5-[bis(2-methoxyethyl)amino]-2-[(2-bromo-6-cyano-4-nitrophenyl)azo]phenyl]acetamide [1,1'-Biphenyl]-4-carboxylic acid (3aR,4R,5R,6aS)-hexahydro-2-oxo-4-[(1E)-3-oxo-5-phenyl-1-pentenyl]-2H-cyclopenta[b]furan-5-yl ester 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.

41639-72-9 N-[5-[bis(2-methoxyethyl)amino]-2-[(2-bromo-6-cyano-4-nitrophenyl)azo]phenyl]acetamide [1,1'-Biphenyl]-4-carboxylic acid (3aR,4R,5R,6aS)-hexahydro-2-oxo-4-[(1E)-3-oxo-5-phenyl-1-pentenyl]-2H-cyclopenta[b]furan-5-yl ester (CAS 41639-72-9) is a high-purity analytical reference standard with the molecular formula C31H28O5 and a molecular weight of 480.55 g/mol.

The molecular framework of 41639-72-9 N-[5-[bis(2-methoxyethyl)amino]-2-[(2-bromo-6-cyano-4-nitrophenyl)azo]phenyl]acetamide [1,1'-Biphenyl]-4-carboxylic acid (3aR,4R,5R,6aS)-hexahydro-2-oxo-4-[(1E)-3-oxo-5-phenyl-1-pentenyl]-2H-cyclopenta[b]furan-5-yl ester (C31H28O5) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).

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.

Physical & Chemical Properties

Molecular FormulaC31H28O5
Molecular Weight480.55 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at room temperature, 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)18.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1968

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