beta-Lactam Antibiotics Back Catalog number: 67017 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50411 Parent for Metal Mixes A, B & C Price on request 677078 Prothioconazole, 100 µg/ml, Acetone, 5ml Price on request 66171 2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Price on request