Calcium Hardness Back Catalog number: 54143 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2442.7-K-IP 2-Nitroanisole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 91-23-6 Price on request 1632.9-100-ME Cimetidine guanidine derivative (N-Methyl-N'-[2-[[(5-methyl-H-imidazol-4-yl)-methyl]-thiol]-ethyl]-guanidine dihydrochloride), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 59660-24-1 Price on request M5PFPEA Perfluoro-n-[1,2,3,4,5-13C5]pentanoic acid, 50µg/ml in MeOH, 1,2ml Price on request
