CLP Pesticide Lab Control Standard Back Catalog number: 20061 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73635 Ecgonine methyl ester Price on request 10889.2-K-ME Ethyl sulfate sodium salt,1000 µg ethyl sulfate/mL,MeOH,1mL, Price on request 676950 Alachlor OA, 100 µg/ml, Acetonitrile, 1ml Price on request