N5-((R)-3-(((R)-2-((S)-4-amino-4-carboxybutanamido)-2-carboxyethyl)disulfanyl)-1-((carboxymethyl)amino)-1-oxopropan-2-yl)-L-glutamine CAS 90663-73-3

Purity 97%+In StockPharmaceutical Standards
CAS No.90663-73-3
Molecular FormulaC18H29N5O11S2
Molecular Weight555.58 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N5-((R)-3-(((R)-2-((S)-4-amino-4-carboxybutanamido)-2-carboxyethyl)disulfanyl)-1-((carboxymethyl)amino)-1-oxopropan-2-yl)-L-glutamine CAS 90663-73-3 chemical structure

Description

N5-((R)-3-(((R)-2-((S)-4-amino-4-carboxybutanamido)-2-carboxyethyl)disulfanyl)-1-((carboxymethyl)amino)-1-oxopropan-2-yl)-L-glutamine (CAS 90663-73-3) is a high-purity analytical reference standard with the molecular formula C18H29N5O11S2 and a molecular weight of 555.58 g/mol.

Structurally, N5-((R)-3-(((R)-2-((S)-4-amino-4-carboxybutanamido)-2-carboxyethyl)disulfanyl)-1-((carboxymethyl)amino)-1-oxopropan-2-yl)-L-glutamine (C18H29N5O11S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 555.58 g/mol, it falls into the moderately-high-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.

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.

As a certified reference material (CRM), N5-((R)-3-(((R)-2-((S)-4-amino-4-carboxybutanamido)-2-carboxyethyl)disulfanyl)-1-((carboxymethyl)amino)-1-oxopropan-2-yl)-L-glutamine 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 FormulaC18H29N5O11S2
Molecular Weight555.58 g/mol
Purity97%+
StorageStore in a cool place (≤25°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.)1982
Nitrogen Atoms5
Sulfur Atoms2

Recommended Standards

Why CATO?