DL-Norepinephrine Back Catalog number: 72219 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2191.8-50-ME Perfluoroctanonic acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-95-5 Price on request 9775.5-1G 2,3-Pentadione, neat, Solvent-neat, Unit 1G, # of units-1, Cas.no. Price on request 1534.20-10MG Perylene-d12, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1520-96-3 Price on request