Metals Mix Back Catalog number: 50156 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73504 Phthalazone Price on request DF-IS-C40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 1578.23-5MG Pholcodine-N-oxide 1, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 433308-89-5 Price on request