Date published: 2026-5-3

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Thiamethoxam-d4 (CAS 1331642-98-8)

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Alternate Names:
Flagship-d4; Meridian-d4; WS 70-d4
CAS Number:
1331642-98-8
Molecular Weight:
295.74
Molecular Formula:
C8H6D4ClN5O3S
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Thiamethoxam-d4 is a deuterated variant of thiamethoxam, while not significantly changing its chemical behavior, uniquely modifies its physical properties, particularly in terms of mass and nuclear magnetic resonance (NMR) characteristics. The primary application of Thiamethoxam-d4 is in the field of analytical chemistry, where it serves a role in method development and validation, especially in mass spectrometry and NMR spectroscopy. The inclusion of deuterium imparts distinct mass and NMR signatures to the molecule, making it an invaluable tool for the accurate identification and quantification of thiamethoxam in complex environmental samples. Moreover, it is used in environmental chemistry for tracing the degradation pathways and determining the environmental fate of thiamethoxam. The deuterated atoms in Thiamethoxam-d4 allow for the precise tracking of the compound through various environmental processes and compartments, providing vital insights into its behavior in different ecological contexts.


Thiamethoxam-d4 (CAS 1331642-98-8) References

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  7. Characteristics of neonicotinoid and metabolite residues in Taiwanese tea leaves.  |  Yuan, TH., et al. 2022. J Sci Food Agric. 102: 341-349. PMID: 34111305
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Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Thiamethoxam-d4, 2.5 mg

sc-474735
2.5 mg
$408.00

Thiamethoxam-d4, 25 mg

sc-474735A
25 mg
$2600.00