2,7-Dichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Back Catalog number: DD-27-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2830.6-50-ME 2H,2H,3H,3H-Perfluorohexanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 356-02-5 Price on request 56161 Hexavalent Chromium (Cr 6+) Price on request 3873.3-K-MEX5 3-Chloro-1,2-propanediol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 96-24-2 Price on request