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Fenthion oxon sulfoxide-(S-methyl-d3)

PESTANAL®, analytical standard

Synonym(s):
Dimethyl-[3-methyl-4-(methyl-d3-sulfinyl)phenyl]-phosphat, Fenoxon sulfoxide-(S-methyl-d3)
Empirical Formula (Hill Notation):
C10D3H12O5PS
Molecular Weight:
281.28
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

product line

PESTANAL®

assay

≥98.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

application(s)

agriculture

format

neat

storage temp.

2-8°C

SMILES string

O=P(OC)(OC)OC1=CC(C)=C(S(C([2H])([2H])[2H])=O)C=C1

Related Categories

General description

Fenthion oxon sulfoxide-(S-methyl-d3) is an isotope-labeled analog of fenthion oxon, a metabolite of the organophosphorus pesticide fenthion, wherein the S-methyl protons are replaced by deuterium.

Application

Isotope-labeled compounds are increasingly used in isotope dilution mass spectrometry (IDMS) for the quantitative analysis of pesticides. The main advantage of using the IDMS technique is because isotope-labeled compounds have nearly the same physical properties as their non-labeled counterpart analog, and thus show identical behavior during the workup and sample preparation process. This helps in overcoming the problems of matrix effects generally encountered in the usual LC-MS/GC-MS analysis potentially resulting in biased results. By spiking the sample before workup with its isotope labeled analog, the loss of analyte that leads to matrix effects can be determined and compensated.

Legal Information

PESTANAL is a registered trademark of Sigma-Aldrich International GmbH

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Certificate of Origin

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