Quality Control Standard, 1000µg/ml in AC, 1ml Back Catalog number: ISO/DIS9377-4-1 Availability: In the manufacturer's stock Price on request - + Recommended 93614 WS Chlorinated Pesticide Amp 1 - Cal Check 2 Price on request 2104.30-100-IO Hydroxyhopanone, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1981-81-3 Price on request 70492 Phorate, 1000µg/ml in MeOH, 1ml Price on request