QC Check Sample Back Catalog number: 59528 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2837.4-50-ME Perfluorobutyramide, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 662-50-0 Price on request 2033.12-50-NN 1,2,4-Trichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request 0862.21-100-IO C21 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5 alpha(H),10ß(CH3)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 98774-61-9 / 98774-59-5 Price on request