3,7-Dimethyl 2H-Furo[2,3-c]pyran-2-one >90%, 1mg

Ethyl 4-hydroxybenzoate

4,4'-DDT (ring-13C12), 100ug/ml in n-Nonane, 1,2ml

2-Methyl-4-isothiazoline-3-one, 10µg/ml in Acetonitrile, 10ml