4,4'-Diaminodiphenyl sulfide, 250mg Back Catalog number: 676773 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 90601 Dicofol Price on request 679372 Heptachlor-exo-epoxide, 10 µg/ml, Cyclohexane, 1 Price on request 1648.10-K-IOX5 Adamantane-d16, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 30470-60-1 Price on request