Arsenic (As) Back Catalog number: 50193 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8795.30-5UG Seco-18 alpha(H)-oleanane B2; 17,18-trans-8,14-seco-oleanane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. Price on request 95004 Desisopropylatrazine & Pendimethalin Price on request 684177 Bromoform, 100 µg/ml, Methanol, 1ml Price on request