Ethoprophos, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 677817 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended PCB-CS4-H Calibration sol. CS4 for HRGC/HRMS Analysis of PCBs, in Nonane, 200µl Price on request 59396 Metals Mix #2 Price on request 8482.22-K-ME Diltiazem (free base), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 42399-41-7 Price on request