4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3287.21-K-IO Methyl 11-cis,14-cis-eicosadienoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 61012-46-2 Price on request 94007 Semi-Volatile Standard Price on request 2562.19-K-ME Sodium p-n-tridecylbenzenesulfonate, 1000µg/mL in MeOH, 1ml Price on request