Profenofos, 100 µg/ml, Toluene, 1ml Back Catalog number: 677990 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 93989 Volatile Standard Price on request 0692.29-100-IO Lup-20(29)-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1721-81-9 Price on request