Calibration Standard Mix 1 Back Catalog number: 53010 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677416 4-Hydrazinobenzenesulfonic acid hemihydrate, 250mg Price on request 1633.11-100-ME Cimetidine carboxamide dihydrochloride (free base), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 110592-19-3 Price on request 71411 2,3-Dibromopropionic acid Price on request