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 96411 Parabens Mix, 1000µg/ml in MeOH, 1ml Price on request 675352 Butralin, 250mg Price on request 70334 1,3-Propane sultone Price on request