n-Butane Back Catalog number: 73647 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0725.12-K-IO 1,6-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 575-43-9 Price on request 52093 Trace Metals 2 Price on request DFP-CVS-B10 PCDD/PCDF/PCB Calibration Kit, 7 x 200ul, nonane Price on request