n-Butane Back Catalog number: 34611 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3356.14-100-CY 4,4'-DDD (=TDE), 100µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 72-54-8 Price on request 674959 Profenofos, 100 µg/ml, Cyclohexane, 5ml Price on request L20015600IO PCB No. 156, 10µg/ml in Isooctane, 10ml Price on request