PCB No. 121, 1000μg/ml in Isooctane, 1ml Back Catalog number: 63121 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676313 Prometryn, 10.0 µg/ml, Acetonitrile, 10ml Price on request ACQ-WH11-115 Ethanol standard in whole blood,1.1g/L,whole blood, 1.5mL Price on request 681024 Coumaphos, 10.0 µg/ml, Cyclohexane, 10ml Price on request