Metformin, 1000μg/ml in MeOH, 1ml Back Catalog number: 72207 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0471.17-200-T 1,2,4-Trimethylanthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 20153-28-0 Price on request 679828 D9-Trimethoprim, 10mg Price on request 8877.X-500-HXX5 MOSH C12-C24,500µg/mL,hexane,1.2mL, Price on request