Pyrisoxazole Reference Materials for Residue Analysis
Pyrisoxazole — High-Purity Reference Materials for Confident Compliance
Achieve precise quantification and defensible results with HPC Standards’ traceable Pyrisoxazole reference materials. Purpose-built for accredited food and environmental laboratories, our solutions enable robust calibration, method validation, and routine QC at MRL-relevant LOQs.
What you get:
- Certified purity with full CoA (concentration, uncertainty, storage)
- Ready-to-use solutions or neat material; custom concentrations/solvents available
- Matrix-appropriate options for LC–MS/MS workflows (incl. QuEChERS)
- Proven stability and defined shelf life for consistent performance
- Expert technical support for method design and QC strategy
Rely on HPC Standards—your specialist for pesticide reference materials, metabolites, and stable isotope-labelled analogues—to streamline audits, strengthen data integrity, and meet global regulatory requirements with confidence.
Product | Catalog No./ CAS No. | Quantity | Price | |
|---|---|---|---|---|
ISO 17034 Reference Material |  | 693122 | 1X10MG | |
ISO 17034 Certified Reference Material cis-Pyrisoxazole solution |  | 693123 | 1X1ML | |
 | 681188 | 1X10MG | Please log in. | |
ISO 17034 Reference Material |  | 693124 | 1X10MG | |
ISO 17034 Certified Reference Material trans-Pyrisoxazole solution |  | 693125 | 1X1ML |
High-quality reference materials for Pyrisoxazole to support precise quantification, method validation, and regulatory compliance in food and environmental testing.
Overview
Pyrisoxazole is an agricultural fungicide used to protect crops against fungal diseases. In residue analysis, robust quantification of Pyrisoxazole and potential metabolites is essential to verify compliance with maximum residue limits (MRLs) and to support risk assessments in food safety and environmental monitoring.
HPC Standards provides traceable reference materials for Pyrisoxazole to ensure reliable calibration, method development, and quality control in accredited laboratories.
Uses
Pyrisoxazole is applied in crop protection to prevent or control fungal pathogens in field and specialty crops. Its use patterns, application rates, and pre-harvest intervals are subject to regional approvals and good agricultural practice (GAP).
Residue analysis is required across raw agricultural commodities, processed foods, feed, and environmental matrices to document safe use and adherence to legal limits.
Regulatory Landscape
Regulatory status and MRLs for Pyrisoxazole are jurisdiction-specific (e.g., EU, US, Codex, other national frameworks). Laboratories should consult the current official databases for approvals, MRLs, and import tolerances.
Regulatory dossiers typically include data on metabolism in plants and animals, residue definitions for enforcement and risk assessment, validated analytical methods, and storage stability of residues.
Monitoring and Surveillance
Food control authorities and private quality schemes monitor Pyrisoxazole residues in commodities with risk-based sampling. Environmental monitoring may include surface water, groundwater, sediment, and soil where use is authorized.
Fit-for-purpose analytical methods with appropriate LOQs are critical for enforcement, especially where MRLs are set at or near the limit of quantification.
Health Impact
Human toxicity assessments consider acute and chronic endpoints, establishing health-based guidance values (e.g., ADI, ARfD) when supported by toxicological data. Risk characterization compares estimated dietary and non-dietary exposures to these reference values.
Worker and bystander exposure is managed via risk mitigation measures defined on product labels and national regulations.
Environmental Impact
Environmental fate evaluations address degradation, mobility, and persistence in soil and water, as well as potential to contaminate surface and groundwater. Photolysis and biotic/abiotic transformation products may be included in residue definitions depending on regulatory decisions.
Effects on wildlife: Ecotoxicological profiles typically cover aquatic organisms (fish, invertebrates, algae), terrestrial organisms (birds, bees, non-target arthropods), and soil biota. Risk assessments integrate exposure modeling with toxicity endpoints to determine the need for mitigation.
Safety Measures
Follow label instructions and applicable regulations for handling, storage, and application. Implement PPE for operators, observe re-entry intervals, and apply drift-reduction and runoff prevention practices to protect non-target areas and water bodies.
In laboratory environments, handle Pyrisoxazole reference materials using standard chemical hygiene procedures, appropriate PPE, and validated waste disposal protocols.
Analytical Considerations
Pyrisoxazole is commonly determined by LC–MS/MS in multi-residue methods or dedicated single-residue methods, depending on matrix and required LOQ. Sample preparation may utilize QuEChERS or matrix-specific extraction/cleanup protocols to minimize matrix effects.
Method validation should include linearity, selectivity, recovery, precision, matrix-matched calibration, measurement uncertainty, and on-going QC with independent check standards.
Reference Materials
HPC Standards offers Pyrisoxazole reference materials designed for calibration, system suitability, and quality control across food and environmental matrices. Materials are produced and tested in accordance with international quality requirements to meet rigorous laboratory and regulatory demands.
Key features:
- Traceable purity assignment and comprehensive documentation (CoA with purity, concentration, uncertainty, and storage conditions).
- Ready-to-use solutions and/or neat materials, with customizable concentrations and solvents on request.
- Matrix-appropriate options for method development and routine QC.
- Long-term stability studies and defined shelf life to support consistent performance.
Method Development Support
Our reference materials support full method lifecycles: screening, calibration curve construction, recovery studies, and proficiency testing. Technical support is available for selection of suitable concentration levels, solvent systems, and QC design.
Quality and Compliance
Products are tested according to international quality requirements and meet high industrial standards. Documentation aligns with the needs of ISO/IEC 17025 laboratories and regulatory submissions, facilitating audits and data defensibility.
Storage and Handling
Store reference materials as indicated on the CoA (e.g., controlled temperature, protection from light and moisture). Equilibrate to room temperature before opening to avoid condensation. Use calibrated pipettes, weighings with verified balances, and record lot/batch IDs for traceability.
Customization and Bulk Supply
We provide custom concentrations, solvent systems, twin sets for primary/secondary calibration, and bulk supply for high-throughput testing. Stable isotope-labelled analogues or metabolite reference materials can be offered on request for advanced confirmatory analysis.
Applications by Matrix
Food: Fruits, vegetables, cereals, oilseeds, processed products—validation and routine monitoring to MRLs.
Environmental: Surface water, groundwater, soil, sediment—surveillance, fate studies, and risk assessment support.
Feed and By-products: Compliance programs and supply-chain verification.
Documentation Provided
Each shipment includes a Certificate of Analysis, safety data information, handling instructions, and recommended storage conditions. Stability and homogeneity statements are supplied where applicable.
Why HPC Standards
As a specialist in reference materials for pesticides, veterinary drugs, their metabolites, and stable isotope-labelled derivatives, HPC Standards is a competent partner for food and environmental analysis. Our portfolio and expertise help laboratories achieve accurate, reproducible, and compliant results for Pyrisoxazole.