(-)-(S)-Levetiracetam,1000 µg/mL,MeOH,1mL Back Catalog number: 9473.9-K-ME Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 3138.13-K-IO Tridecanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 638-53-9 Price on request 30852 Dibromoacetonitrile Price on request 94474 Semi-Volatile Mix #4 Price on request