Metformin, 1000μg/ml in MeOH, 1ml Back Catalog number: 72207 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9141 2-Nitroaniline Price on request 20065 CLP Semi-Vol - Low Conc Acid Surrogate Price on request 92803 EPA Method 525 Phenols Mix Plus Price on request