WS Disinfection By-Products - Cal Check Back Catalog number: 91837 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BDE-169 3,3',4,4',5,5'-Hexabromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 54357 WP Magnesium (Mg) Price on request 2123.12-100-T 2-Hydroxydibenzothiophene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 22439-65-2 Price on request