N,N'-(4,5-Difluoro-1,2-phenylene)bis(4-methylbenzenesulfonamide) CAS 335334-08-2

Purity 97%+In StockPharmaceutical Standards
CAS No.335334-08-2
Molecular FormulaC20H18F2N2O4S2
Molecular Weight452.49 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N,N'-(4,5-Difluoro-1,2-phenylene)bis(4-methylbenzenesulfonamide) CAS 335334-08-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 452.49 g/mol gives N,N'-(4,5-Difluoro-1,2-phenylene)bis(4-methylbenzenesulfonamide) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

N,N'-(4,5-Difluoro-1,2-phenylene)bis(4-methylbenzenesulfonamide) (CAS 335334-08-2) is a high-purity analytical reference standard with the molecular formula C20H18F2N2O4S2 and a molecular weight of 452.49 g/mol.

N,N'-(4,5-Difluoro-1,2-phenylene)bis(4-methylbenzenesulfonamide) (C20H18F2N2O4S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures N,N'-(4,5-Difluoro-1,2-phenylene)bis(4-methylbenzenesulfonamide) 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 FormulaC20H18F2N2O4S2
Molecular Weight452.49 g/mol
Purity97%+
StorageStore in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentF-containing
Nitrogen Atoms2
Sulfur Atoms2

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