4,4’-Methylenebis(cyclohexyl isocyanate) Back Catalog number: 79226 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDF-1278 1,2,7,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 53081 Instrument Standard 5 Price on request 676794 4-n-Octylphenol-di-ethoxylate, 1 µg/ml, Acetone, Price on request