Chlorothalonil Metabolite R471811-13C2,15N2 sodium salt, 2,5mg

3,3'-Dichlorobenzidine,100 µg/mL,acetonitrile,1mL

EPA Method 1633 PFAS Mix, 10µg/mL in MeOH:Water, 1ml

2-Ethyl-5-methyl- and 2-ethyl-6-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.