Custom Standard Back Catalog number: 50312 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678074 Propamocarb N-oxide, 100 µg/ml, Acetonitrile, 1m Price on request C521002 Citric Acid-2,2,4,4-d4, 10mg Price on request 681459 BSTFA + 1 % TMCS, 5ml Price on request