Fmoc-2-amino-5-phenyl(2,3-Difluoro)-L-pentanoic acid CAS 2349313-65-9

Purity 97%+In StockPharmaceutical Standards
CAS No.2349313-65-9
Molecular FormulaC26H23F2NO4
Molecular Weight451.46 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Fmoc-2-amino-5-phenyl(2,3-Difluoro)-L-pentanoic acid CAS 2349313-65-9 chemical structure

Description

The occurrence of Fmoc-2-amino-5-phenyl(2,3-Difluoro)-L-pentanoic acid is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Fmoc-2-amino-5-phenyl(2,3-Difluoro)-L-pentanoic acid (CAS 2349313-65-9), molecular formula C26H23F2NO4 and molecular weight 451.46 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of Fmoc-2-amino-5-phenyl(2,3-Difluoro)-L-pentanoic acid (C26H23F2NO4) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. 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.

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.

CATO manufactures Fmoc-2-amino-5-phenyl(2,3-Difluoro)-L-pentanoic 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 FormulaC26H23F2NO4
Molecular Weight451.46 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1999
Halogen ContentF-containing
Nitrogen Atoms1

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