Calibration Standard Set Back Catalog number: 52042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended D453145 (2R,3R)rel2,3Dihydroxy-2-methylbutanoic Acid,500mg Price on request 59898 ICP Mix Price on request 0443.8-K-ME Isooctane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 540-84-1 Price on request