Malonic acid-dimethyl ester, 250mg

Internal Standard for GC-analysis of PAH compounds II S-4282 Compound Prod.no. Batch no. Purity CAS no. Grav. conc. 2,2'-Binaphthyl 0254,20 2951 99.9 % 612-78

C27/C28 Diaromatic steranes, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 110100-53-3 / 369364-82-9

Pentachlorophenol, 100 µg/ml, Methanol, 1ml