4,5,6,7-Tetrachloro-2-phenylisoindoline-1,3-dione CAS 31039-74-4

Purity 97%+In StockPharmaceutical Standards
CAS No.31039-74-4
Molecular FormulaC14H5Cl4NO2
Molecular Weight361.01 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,5,6,7-Tetrachloro-2-phenylisoindoline-1,3-dione CAS 31039-74-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 361.01 g/mol gives 4,5,6,7-Tetrachloro-2-phenylisoindoline-1,3-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4,5,6,7-Tetrachloro-2-phenylisoindoline-1,3-dione (CAS 31039-74-4), molecular formula C14H5Cl4NO2 and molecular weight 361.01 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C14H5Cl4NO2, 4,5,6,7-Tetrachloro-2-phenylisoindoline-1,3-dione contains a nitrogen-containing heterocyclic scaffold, 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 361.01 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

CATO manufactures 4,5,6,7-Tetrachloro-2-phenylisoindoline-1,3-dione 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 FormulaC14H5Cl4NO2
Molecular Weight361.01 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965
Halogen ContentCl-containing
Nitrogen Atoms1

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