4,4'-MDI, 1000mg Back Catalog number: 682730 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 678133 2,2'-DDE, 10 µg/ml, Cyclohexane, 10ml Price on request 53145 Method 200.8/1638/1640 Internal Standard Price on request 10156.8-1ML 2,6-Dimethylaniline, neat, Solvent-neat, Unit 1ML, # of units-1, Cas.no. 87-62-7 Price on request