rac 3-Hydroxyisobutyric Acid, 1mg

Daily Quality Control Standard (with 4 Deuterated Compounds Internal Standard) 14 Analytes + 4 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane 17m-Xylene 3 n-Octane 17

2-Aminofluorene-d11, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 34741-44-5

5-Methyl-3-heptanone