PCB Congener Mix #2 Back Catalog number: 94980 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9305. Dextropropoxyphene, , Solvent-, Unit , # of units-, Cas.no. Price on request 72070 Di-n-butyl phthalate-d4 Price on request 680991 Acetaminophen, 100 µg/ml, Acetonitrile, 1ml Price on request