(S)-2-((tert-Butoxycarbonyl)amino)-4-fluoro-4-methylpentanoic acid CAS 857026-03-0

Purity 97%+In StockPharmaceutical Standards
CAS No.857026-03-0
Molecular FormulaC11H20FNO4
Molecular Weight249.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(S)-2-((tert-Butoxycarbonyl)amino)-4-fluoro-4-methylpentanoic acid CAS 857026-03-0 chemical structure

Description

Structurally, (S)-2-((tert-Butoxycarbonyl)amino)-4-fluoro-4-methylpentanoic acid (C11H20FNO4) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 249.28 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

CATO supplies (S)-2-((tert-Butoxycarbonyl)amino)-4-fluoro-4-methylpentanoic acid (CAS 857026-03-0), a certified reference material (molecular formula C11H20FNO4, MW 249.28 g/mol) for analytical method development and quality control.

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 (S)-2-((tert-Butoxycarbonyl)amino)-4-fluoro-4-methylpentanoic 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 FormulaC11H20FNO4
Molecular Weight249.28 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityLight-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1987
Halogen ContentF-containing
Nitrogen Atoms1

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