(+)-Norpropoxyphene.maleate Back Catalog number: 96552 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3388.9-100-IO beta-Endosulfan, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33213-65-9 Price on request 681249 Metazachlor Metabolite 479M6, 10mg Price on request 0044.22-10MG 7-Nitrodibenz[a,h]anthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63041-91-8 Price on request