4,4’-DDD Back Catalog number: 79017 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59878 Thorium (Th) Price on request 681012 Ametoctradin Metabolite M650F01 hydrochloride, 10m Price on request 1741.15-K-T N-Ethylcarbazole-3-carboxaldehyde, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 7570-45-8 Price on request