Sulfaphenazole, 100 µg/ml, Methanol, 5ml Back Catalog number: 682399 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1663.12-100-IO 1,12-Dichlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3922-28-9 Price on request 676998 Dimethylpyrazolon (DP), 25mg Price on request 679999 4-Ethyltoluene, 100 µg/ml, Methanol, 1ml Price on request