2-Ethoxy-4-(1-oxoisoindolin-2-yl)benzene-1-sulfonyl chloride CAS 277758-54-0

Purity 97%+In StockPharmaceutical Standards
CAS No.277758-54-0
Molecular FormulaC16H14ClNO4S
Molecular Weight351.80 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Ethoxy-4-(1-oxoisoindolin-2-yl)benzene-1-sulfonyl chloride CAS 277758-54-0 chemical structure

Description

The occurrence of 2-Ethoxy-4-(1-oxoisoindolin-2-yl)benzene-1-sulfonyl chloride is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2-Ethoxy-4-(1-oxoisoindolin-2-yl)benzene-1-sulfonyl chloride (CAS 277758-54-0) is a high-purity analytical reference standard with the molecular formula C16H14ClNO4S and a molecular weight of 351.80 g/mol.

Structurally, 2-Ethoxy-4-(1-oxoisoindolin-2-yl)benzene-1-sulfonyl chloride (C16H14ClNO4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 351.80 g/mol, it falls into the moderately-high-molecular-weight range. 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.

CATO manufactures 2-Ethoxy-4-(1-oxoisoindolin-2-yl)benzene-1-sulfonyl chloride 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 FormulaC16H14ClNO4S
Molecular Weight351.80 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms1
Sulfur Atoms1

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