Isoproturon, 100µg/ml n Acetonitrile, 1ml Back Catalog number: XA14470000AL Availability: In the manufacturer's stock Price on request - + Recommended S-4051-20-10HW Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C) Price on request 1616.14-10MG 4-Methyldiphenylmethane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 620-83-7 Price on request 8506.15-K-IO 1,1,1,3,14,15-Hexachloropentadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request