Internal Reference Standard Back Catalog number: 52187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79601 Biphenyl Price on request 1632.9-100MG Cimetidine guanidine derivative (N-Methyl-N'-[2-[[(5-methyl-H-imidazol-4-yl)-methyl]-thiol]-ethyl]-guanidine dihydrochloride), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 59660-24-1 Price on request 2332.12-K-HX 5-tert-Butyl-m-xylene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 98-19-1 Price on request