4,4'-Diaminodiphenyl sulfide, 250mg Back Catalog number: 676773 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70985 N,N-Dimethylaniline Price on request 50110D TOC Calibration Standard Price on request 0715.12-K-IO 2-Ethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 939-27-5 Price on request