4,4'-Diaminodiphenyl sulfide, 250mg Back Catalog number: 676773 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0357.10-K-IO 3,5-Dimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1964-45-0 Price on request 675323 Zoxamide, 10.0 µg/ml, Acetonitrile, 10ml Price on request 30040 EPA Method 515.1 Underivatized Price on request