beta-Lactam Antibiotics Back Catalog number: 67017 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3190.21-K-IO Ethyl nonadecanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 18281-04-4 Price on request 682703 D-Lactose monohydrate, 1000mg Price on request I937500 Itraconazole, 100mg Price on request