Methadone/Methaqualone/Propoxyphene Back Catalog number: 96626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72452 3-Ketocarbofuran Price on request 15100-0560-100CY5 PCB No. 209, 100µg/ml in Cyclohexane, 5ml Price on request P504530 18-Pentatriacontanone, 1g Price on request