Atrazine-2-hydroxy, 100µg/mL in MeOH, 1ml Back Catalog number: XA10333000ME Availability: In the manufacturer's stock Price on request - + Recommended 82425 EPA Method 8240A - Ketones Price on request 1583.30-600-DPX5 Betulin, 600µg/mL, Solvent-diisopropyl ether, Unit 1mL, # of units-5, Cas.no. 473-98-3 Price on request 0383.12-K-IO Dibenzothiophene-d8, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33262-29-2 Price on request