alpha-Endosulfan, 100 µg/ml, Methanol, 1ml Back Catalog number: 679466 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 50110A TOC Calibration Standard Price on request X9075 Dichloromethane Price on request 10627.12-50-NN 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL, Price on request