Retention Marker Standard - TX1005 Back Catalog number: 92934 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680414 Vitamin B12 (Cyanocobalamin), 100mg Price on request 2983.8-K-ME 2,3-Dimethylhexane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 584-94-1 Price on request 676056 D4-Ochratoxin A, 10.0 µg/ml, Acetonitrile, 1ml Price on request