4,4'-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Back Catalog number: MBP-15 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended DF-IS-B Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 82456 USP Organic Volatile Impurities Standard Price on request 0306.21-200-T 6-Methylbenzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 2381-39-7 Price on request