L-Glutamic Acid-13C5,15N CAS 202468-31-3

Purity >95%In StockPharmaceutical Standards
CAS No.202468-31-3
Molecular Formula[13C]5H9[15N]O4
Molecular Weight153.09 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

L-Glutamic Acid-13C5,15N CAS 202468-31-3 chemical structure

Description

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.

L-Glutamic Acid-13C5,15N (CAS 202468-31-3), molecular formula [13C]5H9[15N]O4 and molecular weight 153.09 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of L-Glutamic Acid-13C5,15N ([13C]5H9[15N]O4) is characterized by an organic framework. 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.

Physical & Chemical Properties

Molecular Formula[13C]5H9[15N]O4
Molecular Weight153.09 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityLight-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)-2.0
CAS Registry Year (est.)2014
Nitrogen Atoms1

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