Cations Mix Back Catalog number: 59891 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684363 Phenylalanine, 100mg Price on request 9405.24-K-ME Carvedilol-d4 (ethyl-d4), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1133705-56-2 Price on request 679577 Picric acid, 100 µg/ml, Acetonitrile, 10ml Price on request