n-(Quinolin-8-yl)quinoline-8-sulfonamide CAS 21640-19-7

Purity 97%+In StockPharmaceutical Standards
CAS No.21640-19-7
Molecular FormulaC18H13N3O2S
Molecular Weight335.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

n-(Quinolin-8-yl)quinoline-8-sulfonamide CAS 21640-19-7 chemical structure

Description

The occurrence of n-(Quinolin-8-yl)quinoline-8-sulfonamide is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies n-(Quinolin-8-yl)quinoline-8-sulfonamide (CAS 21640-19-7), a certified reference material (molecular formula C18H13N3O2S, MW 335.38 g/mol) for analytical method development and quality control.

n-(Quinolin-8-yl)quinoline-8-sulfonamide (C18H13N3O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).

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

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC18H13N3O2S
Molecular Weight335.38 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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms3
Sulfur Atoms1

Related n Standards

Recommended Standards

Why CATO?