trans-Pyrisoxazole

3-[(3RS,5RS)-5-(4-Chlorophenyl)-2,3-dimethyl-3-isoxazolidinyl]pyridine

trans-Pyrisoxazole (CAS 291771-99-8) is a high-quality reference standard produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH. It supports LC-MS/MS pesticide residue calibration and GC-MS confirmation in demanding workflows. Analysts use it to build reliable calibration curves, verify traceability, and streamline method validation. Therefore, laboratories can quantify residues with confidence and speed.

Designed for quantitative analysis, the reference standard enables robust instrument setup, response factor checks, and confirmatory analysis. It fits LC-MS/MS and GC-MS methods, from screening to targeted quantification. Moreover, it aids matrix-matched calibration and recovery experiments, while maintaining lot-to-lot consistency.

Key advantages:

• High purity material for accurate calibration and linearity assessment.
• Traceable production with batch-specific documentation to support audits.
• Good solubility handling for routine sample preparation in common solvents.
• Stability-minded packaging to reduce degradation during transport and storage.
• Compatibility with targeted and multi-residue workflows.

Typical applications:

• Regulated laboratories performing residue control in food, feed, and environmental samples.
• Pharmaceutical research exploring metabolism pathways and transformation products.
• Method validation covering accuracy, precision, LOQ, and linear range.
• Confirmatory analysis for enforcement decisions and proficiency testing.
• Multi-residue method development across diverse matrices.

Use this reference standard to reinforce calibration integrity, traceability, and reporting quality. In addition, WITEGA Laboratorien Berlin-Adlershof GmbH provides responsive technical support for your analytical program. Employ trans-Pyrisoxazole (CAS 291771-99-8) in LC-MS/MS or GC-MS workflows to quantify targets, validate methods, and confirm findings with clarity.

You can download your Safety Data Sheet for PS255

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