Pentabromoethylbenzene, 1.2ml x 50ug/ml , toluene Back Catalog number: PBEB Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended DF-IS-G Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 95115 Methyl tert-butyl ether Price on request 677784 Metformin hydrochloride, 100 µg/ml, Methanol, 1m Price on request