Methadone/Methaqualone/Propoxyphene Back Catalog number: 96626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8CL-PFOS Sodium 8-chloroperfluoro-1-octanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 96499 Oxymorphone-D3 Price on request 680434 Zolpidem tartrate, 100 µg/ml, Methanol, 1ml Price on request