(+)-Norpropoxyphene.maleate Back Catalog number: 96552 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-B200 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 678440 Metalaxyl, 100 µg/ml, Acetonitrile, 5ml Price on request 3507.10-100-AN Terbutryne, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 886-50-0 Price on request