(+)-Norpropoxyphene.maleate Back Catalog number: 96552 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58163 Europium (Eu) Price on request 70255 Pronamide Price on request 3291.21-K-IO Methyl 8-cis-eicosenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 69119-99-9 Price on request