2-(4-Chlorophenyl)-4-(1,3-dioxo-1,3-dihydro-2H-inden-2-ylidene)-6-(pyridin-2-yl)tetrahydropyrrolo[3,4-c]pyrrole-1,3(2H,3aH)-dione CAS 321392-13-6

Purity 97%+In StockPharmaceutical Standards
CAS No.321392-13-6
Molecular FormulaC26H16ClN3O4
Molecular Weight469.88 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Chlorophenyl)-4-(1,3-dioxo-1,3-dihydro-2H-inden-2-ylidene)-6-(pyridin-2-yl)tetrahydropyrrolo[3,4-c]pyrrole-1,3(2H,3aH)-dione CAS 321392-13-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 469.88 g/mol gives 2-(4-Chlorophenyl)-4-(1,3-dioxo-1,3-dihydro-2H-inden-2-ylidene)-6-(pyridin-2-yl)tetrahydropyrrolo[3,4-c]pyrrole-1,3(2H,3aH)-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 2-(4-Chlorophenyl)-4-(1,3-dioxo-1,3-dihydro-2H-inden-2-ylidene)-6-(pyridin-2-yl)tetrahydropyrrolo[3,4-c]pyrrole-1,3(2H,3aH)-dione (CAS 321392-13-6), a certified reference material (molecular formula C26H16ClN3O4, MW 469.88 g/mol) for analytical method development and quality control.

The molecular framework of 2-(4-Chlorophenyl)-4-(1,3-dioxo-1,3-dihydro-2H-inden-2-ylidene)-6-(pyridin-2-yl)tetrahydropyrrolo[3,4-c]pyrrole-1,3(2H,3aH)-dione (C26H16ClN3O4) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

As a certified reference material (CRM), 2-(4-Chlorophenyl)-4-(1,3-dioxo-1,3-dihydro-2H-inden-2-ylidene)-6-(pyridin-2-yl)tetrahydropyrrolo[3,4-c]pyrrole-1,3(2H,3aH)-dione 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 FormulaC26H16ClN3O4
Molecular Weight469.88 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)20.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms3

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