Methadone/Methaqualone/Propoxyphene Back Catalog number: 96626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended NEW-50-IO 2,3,5,6-Tetrabromo-p-xylene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 3380.19-100-AN Diflufenican Price on request P-468S-CN Thifensulfuron methyl, 100μg/mL in Acetonitrile, 1ml Price on request