Methadone/Methaqualone/Propoxyphene Back Catalog number: 96626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L20425100AL 1-Chloronaphthalene, 10µg/mL in Acetonitrile, 10ml Price on request 679685 D6-Leucocrystal violet, 10mg Price on request 73412 Tributyl O-acetylcitrate Price on request