Sodium arsenate dibasic heptahydrate (As) Back Catalog number: 50647 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9439.8-100-CY Demeton O Price on request 1647.7-5ML Pentafluorobenzoyl chloride, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 2251-50-5 Price on request 12062.4-100MG N-Ethyl-N-(2-hydroxyethyl)nitrosamine,neat,neat,100mg, Price on request