(R)-4-((tert-Butoxycarbonyl)amino)-4-phenylbutanoic acid CAS 1821805-21-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1821805-21-3
Molecular FormulaC15H21NO4
Molecular Weight279.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(R)-4-((tert-Butoxycarbonyl)amino)-4-phenylbutanoic acid CAS 1821805-21-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 279.33 g/mol gives (R)-4-((tert-Butoxycarbonyl)amino)-4-phenylbutanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies (R)-4-((tert-Butoxycarbonyl)amino)-4-phenylbutanoic acid (CAS 1821805-21-3), a certified reference material (molecular formula C15H21NO4, MW 279.33 g/mol) for analytical method development and quality control.

The molecular framework of (R)-4-((tert-Butoxycarbonyl)amino)-4-phenylbutanoic acid (C15H21NO4) is characterized by a nitrogen-containing heterocyclic scaffold, 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), (R)-4-((tert-Butoxycarbonyl)amino)-4-phenylbutanoic 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 FormulaC15H21NO4
Molecular Weight279.33 g/mol
AppearanceOff-white to pale 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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1995
Nitrogen Atoms1

Recommended Standards

Why CATO?