PCB Congener Mix, 100µg/ml in Isooctane, 1ml Back Catalog number: 94567 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 4M146 2,2',3,4',5,5'-Hexachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 2700.8-100MG Isocaffeine (1,3,9-Trimethylxanthine),neat,neat,100mg, Price on request 673424 Propoxur, 10.0 µg/ml, Acetonitrile, 10ml Price on request