Anion Mix #1 Back Catalog number: 50099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673511 Chlorpyrifos-methyl, 10.0 µg/ml, Ethyl acetate, Price on request 679944 Venlafaxine hydrochloride, 10mg Price on request 33841 Heptadecane Price on request