Perchlorate Level 1 Back Catalog number: 59339 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3774.8-K-IO 2-Ethyl-3,5-dimethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 13925-07-0 Price on request 9507.9-100-IO Dichlorprop-d3,100 µg/mL,isooctane,1mL Price on request 675381 Cyhalofop diacid, 10mg Price on request