4,4'-DDA, 100mg Back Catalog number: 681820 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended PCB-LCS-A1 Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Price on request 9450.4-100-AN Dalapon methyl ester Price on request 92551 Methylamine Price on request