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 2941.9-100-IO Endosulfan-I-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 203645-57-2 Price on request 676528 Methyl-1,2,3,6-tetrahydrophthalic Anhydride (mixtu Price on request 71028 Butylated hydroxytoluene, 1000µg/ml in MeOH, 1mL Price on request