153086-78-3,Boc-NH-PEG2-Amine, BocNH-PEG2-NH2 Product Specifications: l  Synonym:5,8-dioxa-2-azadiheptaoic acid,10-amino-,1,1-dimethylethyl ester. l  Catalog Numbers:PS2-NBC-2. l  Appearance:Colorless Liquid. l  Stability:-18℃ for long term storage,avoid light. l  Molecular Weight:248.32. l  CAS No.:153086-78-3. l  Molecular formula:C11H24N2O4. l  Purity:>98%.   This product is for research use only and is not intended for use in humans or for diagnostic use.