Calibration Standard Mix 4 Back Catalog number: 53046 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679810 Sulfadoxine, 100 µg/ml, Methanol, 1ml Price on request 3361.14-10MG 2,4'-DDE, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3424-82-6 Price on request 32601 1,2,3-Trimethylbenzene Price on request