beta-Lactam Antibiotics Back Catalog number: 67017 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52022 Contract Required Detection Limits (CRI) Mix 1 Price on request 3504.6-100-AN Tecnazene Price on request 673686 Pyrazophos, 100 µg/ml, Ethyl acetate, 5ml Price on request