[13C12]Dibenzofuran, 1.2ml x 50ug/ml, toluene Back Catalog number: MDF-0 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 52074 Drinking Water Standards Kit Price on request 1552.22-K-IO n-Docosane-d46, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 260411-88-9 Price on request 11226.7-100-IO 5-Methylbenzotriazole-4,6,7-d3-methyl-d3,100 µg/mL,isooctane,1mL, Price on request