2-[Ethyl({[(9H-fluoren-9-yl)methoxy]carbonyl})amino]butanoic acid CAS 1699285-70-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1699285-70-5
Molecular FormulaC21H23NO4
Molecular Weight353.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-[Ethyl({[(9H-fluoren-9-yl)methoxy]carbonyl})amino]butanoic acid CAS 1699285-70-5 chemical structure

Description

The occurrence of 2-[Ethyl({[(9H-fluoren-9-yl)methoxy]carbonyl})amino]butanoic 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.

2-[Ethyl({[(9H-fluoren-9-yl)methoxy]carbonyl})amino]butanoic acid (CAS 1699285-70-5) is a high-purity analytical reference standard with the molecular formula C21H23NO4 and a molecular weight of 353.41 g/mol.

Based on its molecular formula C21H23NO4, 2-[Ethyl({[(9H-fluoren-9-yl)methoxy]carbonyl})amino]butanoic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 353.41 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.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), 2-[Ethyl({[(9H-fluoren-9-yl)methoxy]carbonyl})amino]butanoic 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 FormulaC21H23NO4
Molecular Weight353.41 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1994
Nitrogen Atoms1

Recommended Standards

Why CATO?