Methadone/Methaqualone/Propoxyphene Back Catalog number: 96626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9826.X-K-IO Chlorinated paraffins (Cl:40%), technical mix,1000 µg/mL,isooctane,1mL Price on request 676978 D4-Acetaminophen, 100 µg/ml, Acetonitrile, 1ml Price on request 95088 ASTM Benzene Amp#1 Price on request