Methadone/Methaqualone/Propoxyphene Back Catalog number: 96626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70795 Phorate sulfoxide Price on request 12022.6-K-ME 1-Methoxy-2-propyl acetate,1000 µg/mL,MeOH,1mL, Price on request 92713 Chlorinates Standard Price on request