4,4'-MDI, 1000mg Back Catalog number: 682730 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2355.72-100-ME Tetraoctadecylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 63462-99-7 Price on request 3334.10-100-CY Chlordane, cis-alpha, 100µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 5103-71-9 Price on request BCR-535 Freshwater harbour sediment - PAHs, 40g Price on request