Perchlorate Level 2 Back Catalog number: 59340 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675139 Carfentrazone-ethyl, 10.0 µg/ml, Acetonitrile, 1 Price on request 8618.9-K-ME 4-Chloromethyl-2-phenyl-1,3-dioxa-2-borolane Price on request 673902 Azoxystrobin Metabolite R402173, 10mg Price on request