pH 4.01 buffer solution (box of 25x20mL sachet)

Malathion-d7 (dimethyl-d6;3-d1), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 352438-94-9

1,2-Dichlorotridecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 701920-72-1

4-Chlorobenzyl mercaptan, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6258-66-8