2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene Back Catalog number: PTBX Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 676138 1,4-Dioxane, 5ml Price on request 53088 QC Standard 5 Price on request 1550.19-K-IO n-Nonadecane-d40, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 39756-36-0 Price on request