Arsenic (As) Back Catalog number: 58133 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3804.15-100-ME 6-Chloro-4-(2-chlorophenyl)-2-quinazoline carboxaldehyde, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-, Cas.no. 93955-15-8 Price on request 79044 Parathion methyl Price on request 683832 Dioxabenzofos, 100 µg/ml, Acetonitrile, 1ml Price on request