4-Ethyltoluene, 100 µg/ml, Methanol, 1ml Back Catalog number: 679999 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended C15987122 Perfluorooctane sulfonic acid potassium salt, 100mg Price on request 10114.14-10MG 1-Iodo-1H,1H,2H,2H-pentacosafluorotetradecane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 30046-31-2 Price on request 3519.6-K-IO 1,2,4-Trichlorobenzene, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 120-82-1 Price on request