d,l-Methadone Back Catalog number: 96545 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3123.16-K-IOX5 Diisobutyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL, Price on request 69007 Acrylonitrile Price on request 92214 8082LCS / Matrix Spike Price on request