4,4’-DDD Back Catalog number: 79290 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71811 Bisphenol A, 1000µg/ml in MeOH, 1ml Price on request 2031.12-50-T 2,7-Dichlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 33857-26-0 Price on request 3550.13-100-T 2-Nitro-9-fluorenone, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3096-52-4 Price on request