1-Cyclopropyl-6-fluoro-8-methoxy-7-((R)-3-((S)-1-(methylamino)ethyl)pyrrolidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid CAS 143383-65-7

Purity 97%+In StockPharmaceutical Standards
CAS No.143383-65-7
Molecular FormulaC21H26FN3O4
Molecular Weight403.45 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Cyclopropyl-6-fluoro-8-methoxy-7-((R)-3-((S)-1-(methylamino)ethyl)pyrrolidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid CAS 143383-65-7 chemical structure

Description

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.

CATO supplies 1-Cyclopropyl-6-fluoro-8-methoxy-7-((R)-3-((S)-1-(methylamino)ethyl)pyrrolidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 143383-65-7), a certified reference material (molecular formula C21H26FN3O4, MW 403.45 g/mol) for analytical method development and quality control.

Based on its molecular formula C21H26FN3O4, 1-Cyclopropyl-6-fluoro-8-methoxy-7-((R)-3-((S)-1-(methylamino)ethyl)pyrrolidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 403.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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

Physical & Chemical Properties

Molecular FormulaC21H26FN3O4
Molecular Weight403.45 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1997
Halogen ContentF-containing
Nitrogen Atoms3

Related Cyclopropyl Standards

Recommended Standards

Why CATO?