Propazine, 10.0 µg/ml, Acetonitrile, 10ml Back Catalog number: 684108 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677475 Triclosan, 100 µg/ml, Acetone, 1ml Price on request 673562 beta-Endosulfan, 100 µg/ml, Ethyl acetate, 5ml Price on request 70957 Demeton [O & S Isomers] Price on request