beta-Lactam Antibiotics Back Catalog number: 67017 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97877 Diethyl phthalate Price on request 673721 Vinclozolin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 677970 Chlorfenvinphos, 100 µg/ml, Toluene, 1ml Price on request