tert-Butylhydroquinone, 250mg

Violaxanthin (Mixture of Diastereomers), 1mg

Validation Mixture for Oxygenates and PONA 33 Analytes each Wt.% s listed; units: 1x1mL, 5x1mL neat Use this standard to monitor and make adjustments to the total operation of the system. Name Wt.%

cis-4-(2-Hydroxyphenyl)-2-oxobut-3-enoic acid, Please inquire, Solvent-, Unit , # of units-, Cas.no. 31966-72-0