Pyrifenox, 10 µg/ml, Ethyl acetate, 10ml Back Catalog number: 677925 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended MTBBA 2,3,4,5-Tetrabromobenzoic acid [13C6 ring], 1.2ml x 50ug/ml, methanol Price on request P-742S Prosulfocarb, 100µg/ml in MeOH, 1ml Price on request PCB-SS-A100 Mass-Labelled PCB Solution , 1.2ml x 100ng/ml, nonane Price on request