(+)-Norpropoxyphene.maleate Back Catalog number: 96552 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-LCS-C Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request C15970100 Pentachlorophenol 13C6, certified, 10mg Price on request 91946 Volatile Mix 524.2 Price on request