CWA Gold Back Catalog number: 55091 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677575 2,2-Bis(bromomethyl)-1,3-propanediol, 100mg Price on request 675973 D3-Methomyl, 10mg Price on request DF-IS-E200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request