Internal standard 2, 2000g/ml in MeOH, 1ml Back Catalog number: 30068 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended XA11530000AL Chlorotoluron, 100µg/mL in Acetonitrile, 1ml Price on request 59829 Metals Mix #2 Price on request 677604 2-Quinoxalinecarboxylic acid, 100mg Price on request