Metformin, 1000μg/ml in MeOH, 1ml Back Catalog number: 72207 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10947.2-25MG 1,1,1-Trichloroethane-d3,neat,neat,25mg Price on request 10798.19-10MG trans-Androsterone Price on request H828602 Hydroxy Atrazine-d5, 1mg Price on request