EPA Method 551.1 - Analytes Mix #1 Back Catalog number: 30098 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1579.4-5G Metformin hydrochloride, neat, Solvent-neat, Unit 5g, # of units-1, Cas.no. 1115-70-4 Price on request C14940300 Metamitron-desamino, 10mg Price on request 8937.3-100MG Pyruvic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 127-17-3 Price on request