4,4'-DDA, 100mg Back Catalog number: 681820 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended H105002-1MG Harman-13C2,15N, 1mg Price on request 10692.21-K-MEX5 Cannabigerol Price on request 95409 Aroclor 1268 & Tetrachloro-m-xylene Price on request