D4-Propyl paraben, 100 µg/ml, Methanol, 1ml Back Catalog number: 678215 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677371 Butachlor OA, 100 µg/ml, Acetonitrile, 1ml Price on request 54502 Fluoride (F-), 1000µg/ml in Water, 500ml Price on request 70437 Mirex Price on request