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 673752 Butralin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 0433.14-K-IO 2,2'-Dimethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 605-39-0 Price on request 70405 1,1,1-Trichloroacetone Price on request