AA Standard #2 Back Catalog number: 59242 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72241 L-Proline Price on request 98737 n-Hexadecane Price on request DD-12378-S 1,2,3,7,8-Pentachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request