4,4'-Diaminodiphenylmethane, 250mg Back Catalog number: 676926 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 38133 WS PCBs in Water Price on request 72453 Nicosulfuron, 1000µg/ml in Acetonitrile, 1ml Price on request MICQC2 Total, Fecal & E. Coli WP IN Price on request