Tolpyralate, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 682369 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70769 Nitrofen Price on request 94101 Semi-Volatile Standard Price on request 673633 Metazachlor, 10.0 µg/ml, Ethyl acetate, 10ml Price on request