1,2-Benzenedicarboxylic acid, heptyl nonyl ester, branched and linear CAS 111381-89-6

Purity 97%+In StockPharmaceutical Standards
CAS No.111381-89-6
Molecular FormulaC24H38O4
Molecular Weight390.56 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,2-Benzenedicarboxylic acid, heptyl nonyl ester, branched and linear CAS 111381-89-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 390.56 g/mol gives 1,2-Benzenedicarboxylic acid, heptyl nonyl ester, branched and linear distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1,2-Benzenedicarboxylic acid, heptyl nonyl ester, branched and linear (CAS 111381-89-6), molecular formula C24H38O4 and molecular weight 390.56 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 1,2-Benzenedicarboxylic acid, heptyl nonyl ester, branched and linear (C24H38O4) is characterized by a steroid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), 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.

CATO manufactures 1,2-Benzenedicarboxylic acid, heptyl nonyl ester, branched and linear 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 FormulaC24H38O4
Molecular Weight390.56 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988

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