2-(Fmoc-amino)-5-methoxybenzoic Acid CAS 332121-93-4

Purity 97%+In StockPharmaceutical Standards
CAS No.332121-93-4
Molecular FormulaC23H19NO5
Molecular Weight389.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(Fmoc-amino)-5-methoxybenzoic Acid CAS 332121-93-4 chemical structure

Description

The occurrence of 2-(Fmoc-amino)-5-methoxybenzoic 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-(Fmoc-amino)-5-methoxybenzoic Acid (CAS 332121-93-4), molecular formula C23H19NO5 and molecular weight 389.40 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C23H19NO5, 2-(Fmoc-amino)-5-methoxybenzoic 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 389.40 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.

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 FormulaC23H19NO5
Molecular Weight389.40 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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1

Related Fmoc Standards

Recommended Standards

Why CATO?