5-(4-Fluorophenyl)-1-(5-methyl-1,3,4-thiadiazol-2-yl)-4-(4-methylbenzoyl)-2-oxo-2,5-dihydro-1H-pyrrol-3-yl acetate CAS 477735-24-3

Purity 97%+In StockPharmaceutical Standards
CAS No.477735-24-3
Molecular FormulaC21H16FN3O3S
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(4-Fluorophenyl)-1-(5-methyl-1,3,4-thiadiazol-2-yl)-4-(4-methylbenzoyl)-2-oxo-2,5-dihydro-1H-pyrrol-3-yl acetate CAS 477735-24-3 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 5-(4-Fluorophenyl)-1-(5-methyl-1,3,4-thiadiazol-2-yl)-4-(4-methylbenzoyl)-2-oxo-2,5-dihydro-1H-pyrrol-3-yl acetate.

CATO supplies 5-(4-Fluorophenyl)-1-(5-methyl-1,3,4-thiadiazol-2-yl)-4-(4-methylbenzoyl)-2-oxo-2,5-dihydro-1H-pyrrol-3-yl acetate (CAS 477735-24-3), a certified reference material (molecular formula C21H16FN3O3SC2H4O2, MW 469.49 g/mol) for analytical method development and quality control.

5-(4-Fluorophenyl)-1-(5-methyl-1,3,4-thiadiazol-2-yl)-4-(4-methylbenzoyl)-2-oxo-2,5-dihydro-1H-pyrrol-3-yl acetate (C21H16FN3O3SC2H4O2) 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.

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 FormulaC21H16FN3O3S C2H4O2
Molecular Weight469.49 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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentF-containing
Nitrogen Atoms3
Sulfur Atoms1

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