Fluorescent brightener 135

1,2-Bis(5-methylbenzoxazol-2-yl)ethene

Fluorescent brightener 135 (CAS 1041-00-5) reference standard from WITEGA Laboratorien Berlin-Adlershof GmbH empowers reliable LC-MS/MS and GC-MS quantification. As an optical whitening agent reference standard, it ensures traceable calibration and robust method validation across diverse matrices. This reference standard is produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH, supporting routine testing and advanced research. Therefore, you gain confidence in confirmatory analysis and long-term comparability of results.

Typical applications include:

• Regulated laboratories requiring defensible, traceable measurements
• Pharmaceutical research and development screening programs
• Residue control and surveillance in complex sample matrices
• Metabolism studies and transformation product tracking
• Multi-residue method development and optimization

Designed for laboratory performance, this reference standard offers:

• High purity alongside lot-specific documentation for traceability
• Suitability for calibration curves, system suitability, and recovery studies
• Compatibility with common LC-MS/MS and GC-MS workflows
• Clear labeling that supports gravimetric preparations and dilution schemes

Use this compound to build calibration levels, verify linearity, and check accuracy. Prepare solutions gravimetrically and document each step for audit readiness. Moreover, each batch of Fluorescent brightener 135 (CAS 1041-00-5) includes batch-specific documentation that supports comparability between studies. With this reference standard from WITEGA Laboratorien Berlin-Adlershof GmbH, your quantitative results remain reproducible and defensible.

Additionally, the material supports proficiency tests, instrument checks, and validation of extraction and clean-up steps. It fits targeted quantification and screening workflows alike, while enabling confirmatory analysis for method verification. Choose this reference standard to maintain traceability, strengthen quality assurance, and streamline calibration in daily practice.

You can download your Safety Data Sheet for OP250

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