Cations Std. Level 4 Back Catalog number: 59909 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676039 D5-Propachlor OA, 100 µg/ml, Acetonitrile, 1ml Price on request 674463 Chloroxynil, 25mg Price on request 78007 2,3,5,6-Tetrachloroterephthalic acid Price on request