13C4-Fipronil, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 681587 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 673205 Atrazine-desethyl, 100 µg/ml, Acetonitrile, 5ml Price on request 3351.22-100-AN beta-Cypermethrin Price on request MPFHXS Sodium perfluoro-1-hexane[18O2]sulfonate, 1.2ml x 50ug/ml, methanol Price on request