4,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673529 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended RS347-204 RS347-204 TOLUENE Price on request 9446.12 Merphos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 150-50-5 Price on request 10330.16-100-ME Norcocaine hydrochloride, 100µg/ml in MeOH, 1ml Price on request