4,4’-Methylenedianiline Back Catalog number: 71161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4526-K-IO Organotin Standard Mixture 7 -Tin Ethyl Derivatives 5x1mL 1000 µg/mL in isooctane (basert on total mass) Mono-n-butyl triethyltin 2119.10 Dibutyl diethyltin 2120.12 Ethyltributyltin 1886.14Monophenyl triethyltin 2118.12 Diphenyl diethyltin 2117.6 Price on request 3193.23-K-IO Ethyl heneicosanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 28898-67-1 Price on request MDF-234678 2,3,4,6,7,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request