4,4’-DDE Back Catalog number: 79149 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 71030 sec-Butanol Price on request 0292.19-K-T 1-Methylchrysene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3351-28-8 Price on request 684857 9-Acridinecarboxylic acid hydrate, 250mg Price on request