17-alpha-Ethynylestradiol Back Catalog number: 72742 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72721 beta-Cyclocitral Price on request 3163.16-K-IO Methyl pentadecanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7132-64-1 Price on request S-4472-20-NN Labelled-compound Spiking Solution Dioxin-like F-PCBs each in 20ng/mL solution in n-nonane; unit: 1x1mL Chiron No. Dioxin-like IS, FluoroPCBs PCB No. 2863.12 5-F-3,3’,4,4’-TetraCB F-PCB-77 2344.12 3’-F-3,4,4’,5-TetraCB F-P Price on request