4,4'-Dibromobiphenyl Back Catalog number: 43009 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-J20 Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane Price on request P-566S Desmethryn, 100µg/ml in MeOH, 1ml Price on request X9052 p-Cresol Price on request