n,n-Diethyl-3-(3-oxobenzo[d]isothiazol-2(3h)-yl)benzenesulfonamide CAS 565165-15-3

Purity 97%+In StockPharmaceutical Standards
CAS No.565165-15-3
Molecular FormulaC17H18N2O3S2
Molecular Weight362.47 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

n,n-Diethyl-3-(3-oxobenzo[d]isothiazol-2(3h)-yl)benzenesulfonamide CAS 565165-15-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 362.47 g/mol gives n,n-Diethyl-3-(3-oxobenzo[d]isothiazol-2(3h)-yl)benzenesulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies n,n-Diethyl-3-(3-oxobenzo[d]isothiazol-2(3h)-yl)benzenesulfonamide (CAS 565165-15-3), a certified reference material (molecular formula C17H18N2O3S2, MW 362.47 g/mol) for analytical method development and quality control.

Structurally, n,n-Diethyl-3-(3-oxobenzo[d]isothiazol-2(3h)-yl)benzenesulfonamide (C17H18N2O3S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. 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 362.47 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 n,n-Diethyl-3-(3-oxobenzo[d]isothiazol-2(3h)-yl)benzenesulfonamide 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 FormulaC17H18N2O3S2
Molecular Weight362.47 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1984
Nitrogen Atoms2
Sulfur Atoms2

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