Retention Time Marker Solution Iowa OA-2 Back Catalog number: 51183 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9498.13-100-ME Propyphenazone-d3 (2N-methyl-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 162935-29-7 Price on request 38186 CWA Dioxin Price on request 11191.22-10MG Sildenafil-d8 (piperazine-d8),neat,neat,10mg Price on request