Internal standard 3, 2000g/ml in MeOH, 1ml Back Catalog number: 30069 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 681467 Amicarbazone, 25mg Price on request XE-2367-S 2,3,6,7-Tetrachloroxanthene , 1.2ml x 50ug/ml, toluene Price on request 678393 Diphenamid, 100 µg/ml, Acetonitrile, 1ml Price on request