Interference Check Standard Back Catalog number: 50329 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2507.6-K-IP 2,3,4-Tribromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 138507-65-0 Price on request 17208 Toxaphene Price on request 10828.16-100MG Penicillin G Sodium Salt Price on request