L-Methionine--13C5,15N CAS 202468-47-1

Purity >95%In StockPharmaceutical Standards
CAS No.202468-47-1
Molecular Formula[13C]5H11[15N]O2S
Molecular Weight155.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

L-Methionine--13C5,15N CAS 202468-47-1 chemical structure

Description

The occurrence of L-Methionine--13C5,15N is closely related to a sulfone group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies L-Methionine--13C5,15N (CAS 202468-47-1), a certified reference material (molecular formula [13C]5H11[15N]O2S, MW 155.17 g/mol) for analytical method development and quality control.

L-Methionine--13C5,15N ([13C]5H11[15N]O2S) contains a sulfone group. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 Formula[13C]5H11[15N]O2S
Molecular Weight155.17 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)-3.0
CAS Registry Year (est.)2014
Nitrogen Atoms1
Sulfur Atoms1

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