Methadone/Methaqualone/Propoxyphene Back Catalog number: 96626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680151 1-Heptanol, 1ml Price on request 677231 ADBI (Celestolid), 10.0 µg/ml, Cyclohexane, 1ml Price on request 56073 Tantalum (Ta) Price on request