(S)-3-amino-4-((S)-1-amino-1-oxo-3-phenylpropan-2-ylamino)-4-oxobutanoic acid 5241-71-4 L-Aspartic acid-L-phenylalanine amide CAS 5241-71-4

Purity 97%+In StockPharmaceutical Standards
CAS No.5241-71-4
Molecular FormulaC13H17N3O4
Molecular Weight279.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(S)-3-amino-4-((S)-1-amino-1-oxo-3-phenylpropan-2-ylamino)-4-oxobutanoic acid
5241-71-4
L-Aspartic acid-L-phenylalanine amide CAS 5241-71-4 chemical structure

Description

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, (S)-3-amino-4-((S)-1-amino-1-oxo-3-phenylpropan-2-ylamino)-4-oxobutanoic acid 5241-71-4 L-Aspartic acid-L-phenylalanine amide is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 279.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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)-3-amino-4-((S)-1-amino-1-oxo-3-phenylpropan-2-ylamino)-4-oxobutanoic acid 5241-71-4 L-Aspartic acid-L-phenylalanine amide (CAS 5241-71-4), a certified reference material (molecular formula C13H17N3O4, MW 279.29 g/mol) for analytical method development and quality control.

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), (S)-3-amino-4-((S)-1-amino-1-oxo-3-phenylpropan-2-ylamino)-4-oxobutanoic acid 5241-71-4 L-Aspartic acid-L-phenylalanine amide 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 FormulaC13H17N3O4
Molecular Weight279.29 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 DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms3

Related S Standards

Recommended Standards

Why CATO?