EPA Method 601 Internal Standard Back Catalog number: 19094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended V095753 Valsartan-d9 (Major), 1mg Price on request 0002.12-10MG Acenaphthylene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 208-96-8 Price on request 1579.4-K-ME Metformin hydrochloride, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1115-70-4 Price on request