PCB No. 50, 100µg/ml in Isooctane, 1ml Back Catalog number: 66050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675242 N,N-Dimethylsulfamide, 100 µg/ml, Acetonitrile, Price on request 678269 Halofuginone hydrobromide, 100 µg/ml, Acetonitril Price on request 30103 EPA Method 551.1 Internal Standard Price on request