Semi-volatiles no. 5

rac 3,4-Dihydroxyphenylethylene Glycol-d5, 1mg

2,4-Dimethylphenol, 100 µg/ml, Methanol, 5ml

1-Chloro-4-fluorobenzene, Internal standard for Gasoline Range Analysis, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 352-33-0