4,4’-DDD Back Catalog number: 79017 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95989 Method 8121 - Surrogate Standard Price on request 9127.12-K-IO Tri-n-butyltin-d27 chloride, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1257647-76-9 Price on request 93756 Chlorinated Phenols Standard Price on request