Metoprolol, 1000µg/ml in MeOH, 1ml Back Catalog number: 72402 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1806.12-100 o-Phenylphenol, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 90-43-7 Price on request XA18000323IO Pesticide-Mix 323, -, 1ml Price on request 20003 EPA Method 8240A/1666 - Purgeable Internal Std Price on request