Azamethiphos

S-[(6-Chloro-2-oxooxazolo[4,5-b]pyridin-3(2H)-yl)methyl]phosphorothioic acid O,O’-dimethyl ester

Azamethiphos (CAS Reg. No. 35575-96-3) is a high-quality reference standard designed for advanced analytical applications in residue analysis, pharmaceutical research, and regulated laboratory testing. This analytical material supports pesticide residue calibration standard workflows, analytical quantification procedures, GC-MS calibration, LC-MS/MS traceability studies, and confirmatory testing methods. Azamethiphos is widely used in laboratories that require reliable calibration materials for method validation, traceability, and accurate quantitative analysis.

This reference standard is produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH. Laboratories rely on WITEGA Laboratorien Berlin-Adlershof GmbH for consistent analytical quality, reliable documentation, and traceable reference materials for routine and research applications. Furthermore, the product supports sensitive LC-MS/MS and GC-MS workflows used in environmental, pharmaceutical, and food safety laboratories.

Azamethiphos reference standard plays an important role in analytical quantification and confirmatory analysis. It helps laboratories establish reliable calibration curves and supports accurate analyte identification in complex sample matrices. In addition, the reference standard contributes to method validation procedures such as recovery studies, precision testing, selectivity evaluation, and sensitivity assessment.

• Suitable for LC-MS/MS and GC-MS analytical quantification
• Supports traceable calibration and confirmatory analysis
• Used for pesticide residue testing and residue control
• Applicable in metabolism studies and pharmaceutical research
• Ideal for multi-residue method development workflows
• Produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH

Regulated laboratories use azamethiphos reference standard to improve analytical consistency and maintain compliance with international testing requirements. Consequently, laboratories benefit from reliable traceability, robust analytical performance, and reproducible testing results across various analytical platforms.