Proquinazid, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 675248 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 680070 Ioxynil-methyl, 100mg Price on request 71780 N-Phenyl-1,4-phenylenediamine Price on request 71406 Tetramethylurea Price on request