(R)-2-((tert-Butoxycarbonyl)amino)-2-methylpent-4-enoic acid CAS 129786-68-1

Purity 97%+In StockPharmaceutical Standards
CAS No.129786-68-1
Molecular FormulaC11H19NO4
Molecular Weight229.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(R)-2-((tert-Butoxycarbonyl)amino)-2-methylpent-4-enoic acid CAS 129786-68-1 chemical structure

Description

The occurrence of (R)-2-((tert-Butoxycarbonyl)amino)-2-methylpent-4-enoic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(R)-2-((tert-Butoxycarbonyl)amino)-2-methylpent-4-enoic acid (CAS 129786-68-1) is a high-purity analytical reference standard with the molecular formula C11H19NO4 and a molecular weight of 229.27 g/mol.

The molecular framework of (R)-2-((tert-Butoxycarbonyl)amino)-2-methylpent-4-enoic acid (C11H19NO4) is characterized by an amino-acid-derived structure, 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.

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 FormulaC11H19NO4
Molecular Weight229.27 g/mol
AppearanceWhite to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1994
Nitrogen Atoms1

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