(+)-Norpropoxyphene.maleate Back Catalog number: 96552 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59028 Formic acid Price on request EPA-EU-PAH-ISS Deuterated PAH Solution/Mixture, 1.2ml, toluene Price on request S-4503-25K-25LW Phosphorous Standards Phosphorus in Light White Mineral Oil, 20Cst Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane Price on request