07566
Difenoconazole-(4-chlorophenoxy-d4)
PESTANAL®, analytical standard
Synonym(s):
Difenoconazole-d4
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About This Item
Empirical Formula (Hill Notation):
C19D4H13Cl2N3O3
Molecular Weight:
410.29
NACRES:
NA.24
UNSPSC Code:
12352200
grade
analytical standard
product line
PESTANAL®
assay
≥97.5% (HPLC)
shelf life
limited shelf life, expiry date on the label
format
neat
storage temp.
2-8°C
Quality Level
General description
Difenoconazole-(4-chlorophenoxy-d4) is an isotope-labeled analog of the broad-spectrum triazole fungicide difenoconazole, wherein 4-chlorophenoxy protons are substituted by deuterium.
Application
Isotope-labeled compounds are increasingly used in isotope dilution mass spectrometry (IDMS) for the quantitative analysis of pesticides. The major advantage of using this technique is that the isotope-labeled compounds have nearly the same physical properties as their non-labeled counterpart analogs, 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 Merck KGaA, Darmstadt, Germany
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Chiral triazole fungicide difenoconazole: absolute stereochemistry, stereoselective bioactivity, aquatic toxicity, and environmental behavior in vegetables and soil
Dong F, et al.
Environmental Science & Technology, 47(7), 3386-3394 (2013)
Residues and dissipation kinetics of triazole fungicides difenoconazole and propiconazole in wheat and soil in Chinese fields
Zhang Z, et al.
Food Chemistry, 168(7), 396-403 (2015)
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