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 677860 Diisoheptyl phthalate (tech mixture), 100mg Price on request 687318 1-Methyl-4-nitroso-piperazine, 50mg Price on request 678696 EPTC, 100 µg/ml, Acetonitrile, 1ml Price on request