Arsenic (As) Back Catalog number: 50194 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681678 5-Chloro-2-methylaniline, 250mg Price on request 79811 Esfenvalerate, 1000µg/ml in Acetonitrile, 1ml Price on request 676387 D3-Alachlor, 10mg Price on request