Isobenzan Back Catalog number: 3425.9-100-AN Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended C20018500 PCB No. 185, 10mg Price on request 95227 EPA Method 525 Internals & Surrogates Price on request 9407.15-K-ME Metoprolol-d7 hydrochloride (isopropyl-d7),1000 µg base/mL,MeOH,1mL Price on request