Penicillin G potassium, 100µg/mL in Acetonitrile, 1ml Back Catalog number: A15935000WL-100 Availability: In the manufacturer's stock Price on request - + Recommended 8866.9-K-IO 5-Methylquinoxaline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request PF5OHXA Perfluoro-5-oxahexanoic acid (PFMBA), 50µg/ml in MeOH, 1,2ml Price on request 1561.9-K-ME n-Nonane-d20, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 121578-11-8 Price on request