4,4’-DDD Back Catalog number: 79148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 55122WV WS Minerals Mix #1 Price on request 59088 Minerals Standard #6 Price on request 1848.12-100MG 2,6-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1141-38-4 Price on request