o-Toluidine, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 679892 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11727.12-100-IO 2,3',4,5,5'-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 679002 D3-Clothianidin, 100 µg/ml, Acetone, 1ml Price on request 679457 4,4'-DDD, 100 µg/ml, Methanol, 1ml Price on request