lambda-Cyhalothrin is a ROTICHROM® Pestilyse® HPLC reference standard for chromatographic environmental analysis and pesticide residue determination. Registered under CAS number 91465-08-6 with empirical formula C₂₃H₁₉ClF₃NO₃, it has a molar mass of 449,85 g/mol and a density of 1,33 g/cm³. Reported thermal data include a flash point of 255,5 °C and a boiling range of 187 to 190 °C, supporting clear documentation in analytical methods. Delivered as 100 mg in glass, the material is suitable for preparing calibration standards, confirming peak identity and performing quantitative control in HPLC and gas chromatography. It is widely applicable in environmental monitoring, agricultural residue testing and method validation workflows. This lambda-cyhalothrin standard from manufacturer Carl ROTH offers a compact, well-specified pack for laboratories that need a reliable Pestilyse® HPLC reference without excess inventory. Key features Assay: ≥99,5 % CAS number: 91465-08-6 Pack size: 100 mg glass EG nr.: 415-130-7 Empirical formula: C₂₃H₁₉ClF₃NO₃ Molar mass: 449,85 g/mol Density: 1,33 g/cm³ Flash point: 255,5 °C Safety Data Sheet: