(3R,4S)-4-(2,5-difluoro-4-methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid CAS 1784747-79-0

Purity 97%+In StockPharmaceutical Standards
CAS No.1784747-79-0
Molecular FormulaC12H11F2NO4
Molecular Weight271.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3R,4S)-4-(2,5-difluoro-4-methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid CAS 1784747-79-0 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 (3R,4S)-4-(2,5-difluoro-4-methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid.

(3R,4S)-4-(2,5-difluoro-4-methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid (CAS 1784747-79-0), molecular formula C12H11F2NO4 and molecular weight 271.22 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C12H11F2NO4, (3R,4S)-4-(2,5-difluoro-4-methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, 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 271.22 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.

CATO manufactures (3R,4S)-4-(2,5-difluoro-4-methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid 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 FormulaC12H11F2NO4
Molecular Weight271.22 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1994
Halogen ContentF-containing
Nitrogen Atoms1

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