4,4'-Diaminodiphenylmethane, 250mg Back Catalog number: 676926 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended A786990 L-Ascorbic Acid, 100g Price on request 9989.49-10-ME Microcystin LR, 10µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 101043-37-2 Price on request 71168 Methyl-2,6-Dichlorophenoxyacetate Price on request