4,4’-DDD Back Catalog number: 79017 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10206.10-K-ME Isopropyl 4-hydroxybenzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4191-73-5 Price on request 97042 SVOC Standard Price on request 52146 Method 1640Mix A Price on request