ALDRICH O-[N-(3-Maleimidopropionyl)aminoethyl]-O'-[3-(N-succinimidyloxy)-3-oxopropyl]triethylene glycol, >=90% (NMR)

Synonym(s): N-[15-[(2,5-Dioxo-1-pyrrolidinyl)oxy]-15-oxo-3,6,9,12-tetraoxapentadec-1-yl]-2,5-dihydro-2,5-dioxo-1H-pyrrole-1-propanamide; monodisperse Mal-PEG4-NHS-ester

Empirical Formula: C₂₂H₃₁N₃O₁₁

Linear Formula: C₂₂H₃₁N₃O₁₁

Formula Weight: 513.50

MDL Number: MFCD11041113

Purity: ≥90% (NMR)

Storage: −20°C