Opiate Standard Back Catalog number: 96629 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679088 2,4'-Methoxychlor, 10mg Price on request 12133.13-250MG 4,4'-Dichlorobenzophenone,neat,neat,250mg, Price on request 92934 Retention Marker Standard - TX1005 Price on request