3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-methoxy-4-oxobutanoic acid CAS 1227281-44-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1227281-44-8
Molecular FormulaC20H19NO6
Molecular Weight369.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-methoxy-4-oxobutanoic acid CAS 1227281-44-8 chemical structure

Description

The occurrence of 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-methoxy-4-oxobutanoic acid is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-methoxy-4-oxobutanoic acid (CAS 1227281-44-8), molecular formula C20H19NO6 and molecular weight 369.37 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-methoxy-4-oxobutanoic acid (C20H19NO6) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.

As a certified reference material (CRM), 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-methoxy-4-oxobutanoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC20H19NO6
Molecular Weight369.37 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms1

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