Calibration Standard Mix 4 Back Catalog number: 53013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11623.16-250MG Amoxicillin trihydrate,neat,neat,250mg, Price on request 34151 Nitrobenzene Price on request P-094S-10X Dursban, 1000µg/mL in MeOH, 1ml Price on request