2-Ethyl-1-butene Back Catalog number: 71684 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4053-7,5K-10T Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K Price on request 3700.42-10-05ME 13-Desmethyl spirolide C, 10.2µM, Solvent-methanol, Unit 0.5mL, # of units-1, Cas.no. 334974-07-1 Price on request 0389.14-10MG Phenanthrene-d10, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1517-22-2 Price on request