PCB Congeners Back Catalog number: 94604 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 64688 Chlorpyrifos, 100µg/mL in MeOH, 1ml Price on request A11457554CY-100 Chloroparaffin C14 55% Cl, 100µg/mL in CY, 1ml Price on request 679823 Tilmicosin, 100 µg/ml, Methanol, 1ml Price on request