Cations Mix Back Catalog number: 59334 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72629 Dimethyl sulfoxide Price on request 90506 Benzo(e)pyrene,2000µg/ml in methylene chloride,1ml Price on request 70468 2,4-Dichlorophenylacetic acid methyl ester Price on request