Methadone/Methaqualone/Propoxyphene Back Catalog number: 96626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57037 Rubidium (Rb) Price on request 97251 2,4,4-Trimethyl-2-pentene Price on request M-502-10X-SET 59liquid & gas components,2.0mg/mL in MeOH,59x1mL Price on request