Propionic Acid (C3H6O2) Back Catalog number: 50678 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50459 Copper AA Standard (Cu) Price on request 3445.11-100 Methiocarb, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2032-65-7 Price on request 2688.34-10UG 17 alpha(H),21ß(H)-(22S)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-13-0 Price on request