Retention Time Verification Standard Back Catalog number: 51172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 35341 Aldicarb sulfoxide Price on request 9697.10-100MG 1,4-Dihydroxynaphthalene,neat,neat,100mg Price on request 9433.8 Demeton O+S, , Solvent-, Unit , # of units-, Cas.no. 8065-48-3 Price on request