Ketoprofen, 100 µg/ml, Methanol, 1ml Back Catalog number: 681070 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2977.14-100-IO Alachlor, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15972-60-8 Price on request DF-1278-S 1,2,7,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 2012.12-100-DS 3,3',4,4',5-Pentachlorobiphenyl, 100 µg/mL, Solvent-dimethylsulfoxide, Unit 1mL, # of units-1, Cas.no. 57465-28-8 Price on request