WS Paraquat & Diquat Back Catalog number: 38131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2788.8-100-AN 2-Methoxy-5-methylaniline,100 µg/mL,acetonitrile,1mL, Price on request 72641 Dimethyl azelate Price on request 40416 Benzo(a)anthracene, 100µg/ml in Acetonitrile, 1ml Price on request