6:2 Di-PAPS-d4, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. Back Catalog number: 9928.16-5MG Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 59915 ICP-MS Verification Standard Price on request 52074 Drinking Water Standards Kit Price on request 55087 CWA Settleable Solids Price on request