Metformin, 1000μg/ml in MeOH, 1ml Back Catalog number: 72207 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673930 Fipronil-sulfide, 25mg Price on request 94472 Semi-Volatile Mix #2 Price on request 55064 WP & DMRQA Nutrients #2 Price on request