N-(2-(1-Acetyl-5-(quinolin-8-yl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide CAS 923139-61-1

Purity 97%+In StockPharmaceutical Standards
CAS No.923139-61-1
Molecular FormulaC21H20N4O3S
Molecular Weight408.47 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(2-(1-Acetyl-5-(quinolin-8-yl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide CAS 923139-61-1 chemical structure

Description

The occurrence of N-(2-(1-Acetyl-5-(quinolin-8-yl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide 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.

N-(2-(1-Acetyl-5-(quinolin-8-yl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide (CAS 923139-61-1), molecular formula C21H20N4O3S and molecular weight 408.47 g/mol, is a CATO reference standard with documented purity and traceability.

N-(2-(1-Acetyl-5-(quinolin-8-yl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide (C21H20N4O3S) 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 aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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 FormulaC21H20N4O3S
Molecular Weight408.47 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
Degree of Unsaturation (DBE)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms4
Sulfur Atoms1

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