Methadone/Methaqualone/Propoxyphene Back Catalog number: 96626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4567-10-TX10 Custom PAH Mixture 10µg/mL each in toluene 0711.10 Naphthalene 0265.20 Benzo[k]fluoranthene 0713.11 2-Methyl-1-naphthalene 0264.20 Benzo[j]fluoranthene 0002.12 Acenaphthene Price on request 94179 Semi-Volatile Standard Price on request C13407000 Febantel, certified, 0.1g Price on request