PAH Standard Back Catalog number: 94194 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M338792-1MG rac Metoprolol-d7, 1mg Price on request 678377 2,4'-DDD, 100 µg/ml, Acetonitrile, 5ml Price on request S0232 Synephrine, >98.0%, 5g Price on request