2-(4-Chlorophenyl)-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione CAS 43069-64-3

Purity 97%+In StockPharmaceutical Standards
CAS No.43069-64-3
Molecular FormulaC14H12ClNO2
Molecular Weight261.70 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Chlorophenyl)-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione CAS 43069-64-3 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.

2-(4-Chlorophenyl)-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione (CAS 43069-64-3), molecular formula C14H12ClNO2 and molecular weight 261.70 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C14H12ClNO2, 2-(4-Chlorophenyl)-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-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 261.70 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 2-(4-Chlorophenyl)-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-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 FormulaC14H12ClNO2
Molecular Weight261.70 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1969
Halogen ContentCl-containing
Nitrogen Atoms1

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