Methadone/Methaqualone/Propoxyphene Back Catalog number: 96626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91704 EPA Method 502.2 Surrogate Standard Price on request 2096.16-100MG Bis(2-ethoxyethyl) phthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 605-54-9 Price on request 677926 Sulfotep, 100 µg/ml, Ethyl acetate, 1ml Price on request