Internal Standard for AB SIM Back Catalog number: 94541 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673387 Metoxuron, 100 µg/ml, Acetonitrile, 5ml Price on request 92482 Alcohol Mix 3 Price on request 676745 Vamidothion-sulfone, 100 µg/ml, Acetonitrile, 1m Price on request