Calibration Standard Kit Back Catalog number: 52089 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676905 Cyfluthrin, 10 µg/ml, Cyclohexane, 10ml Price on request S4176UNL-0.05 25-Hydroxyvitamin D2, 50μg/ml, 1ml Price on request 1090.14-K-IO 9-Methylfluorene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2523-37-7 Price on request