TOC Calibration Standard Back Catalog number: 50110B Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11976.16-K-ME (±)-Pheniramine,1000 µg/mL,MeOH,1mL, Price on request 680942 Oxytetracycline hydrochloride, 10 µg/ml, Methanol Price on request 66070 2,3',4',5-Tetrachlorobiphenyl (70) Price on request