3-(4-Chlorobenzoyl)-4-(2,4-dichlorophenyl)-1H-pyrrole CAS 170939-29-4

Purity 97%+In StockPharmaceutical Standards
CAS No.170939-29-4
Molecular FormulaC17H10Cl3NO
Molecular Weight350.63 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(4-Chlorobenzoyl)-4-(2,4-dichlorophenyl)-1H-pyrrole CAS 170939-29-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 350.63 g/mol gives 3-(4-Chlorobenzoyl)-4-(2,4-dichlorophenyl)-1H-pyrrole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-(4-Chlorobenzoyl)-4-(2,4-dichlorophenyl)-1H-pyrrole (CAS 170939-29-4), molecular formula C17H10Cl3NO and molecular weight 350.63 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C17H10Cl3NO, 3-(4-Chlorobenzoyl)-4-(2,4-dichlorophenyl)-1H-pyrrole contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 350.63 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).

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), 3-(4-Chlorobenzoyl)-4-(2,4-dichlorophenyl)-1H-pyrrole 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 FormulaC17H10Cl3NO
Molecular Weight350.63 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2005
Halogen ContentCl-containing
Nitrogen Atoms1

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