PCB Congeners Back Catalog number: 94830 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8481.22-K-ME Diltiazem hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request 8932.17-100-ME Iomeprol-d3 Price on request X9105 Ethylbenzene Price on request