Esfenvalerate

(αS)-4-Chloro-α-(1-methylethyl)benzeneacetic acid (S)-cyano(3-phenoxyphenyl)methyl ester

Esfenvalerate (CAS 66230-04-4) is a high-purity reference standard produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH. It supports LC-MS/MS and GC-MS workflows for traceable calibration, method validation, and confirmatory analysis. This pyrethroid pesticide material enables precise quantification and confident identification in complex matrices. It is ideal for residue analysis reference material, LC-MS/MS calibration standard, and GC-MS method validation in regulated laboratories.

Engineered for reliability, the Esfenvalerate (CAS 66230-04-4) reference standard delivers solid traceability and consistent performance. Build accurate calibration curves, verify linearity, and assess matrix effects across food, environmental, and pharmaceutical samples. Because the compound is well characterized, you gain repeatability across instruments and locations, which strengthens data integrity and reporting.

Use this reference standard to streamline daily analytical work and reduce re-measurements. It integrates smoothly into established SOPs and quality systems, ensuring efficient implementation from sample preparation to final reporting. Moreover, documented traceability simplifies audits and supports compliance.

• LC-MS/MS and GC-MS calibration and tuning
• System suitability and ongoing performance checks
• Method development for multi-residue screening
• Confirmatory analysis using retention time and ion ratio criteria
• Quantitative verification for proficiency tests and QC batches
• Assessment of recovery, precision, and measurement uncertainty

Typical use cases include regulated laboratories, pharmaceutical research, residue control programs, metabolism studies, and multi-residue method development. The reference standard arrives with clear documentation for traceability and safe handling. Consequently, analysts can quantify confidently and report defensible results.

Every lot of this reference standard is manufactured and supplied by WITEGA Laboratorien Berlin-Adlershof GmbH, ensuring dependable quality and continuity. Choose Esfenvalerate (CAS 66230-04-4) to achieve robust calibration, reliable method validation, and precise confirmatory analysis across your LC-MS/MS or GC-MS workflows.

You can download your Safety Data Sheet for OP321

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