N-(5-Bromopyridin-3-yl)-4-methyl-N-tosylbenzenesulfonamide CAS 1245644-89-6

Purity 97%+In StockPharmaceutical Standards
CAS No.1245644-89-6
Molecular FormulaC19H17BrN2O4S2
Molecular Weight481.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(5-Bromopyridin-3-yl)-4-methyl-N-tosylbenzenesulfonamide CAS 1245644-89-6 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-(5-Bromopyridin-3-yl)-4-methyl-N-tosylbenzenesulfonamide.

N-(5-Bromopyridin-3-yl)-4-methyl-N-tosylbenzenesulfonamide (CAS 1245644-89-6), molecular formula C19H17BrN2O4S2 and molecular weight 481.38 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, N-(5-Bromopyridin-3-yl)-4-methyl-N-tosylbenzenesulfonamide (C19H17BrN2O4S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 481.38 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-(5-Bromopyridin-3-yl)-4-methyl-N-tosylbenzenesulfonamide 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 FormulaC19H17BrN2O4S2
Molecular Weight481.38 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.)1990
Halogen ContentBr-containing
Nitrogen Atoms2
Sulfur Atoms2

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