| No. | Estructura molecular | Información de productos |
| 1 |  | Mal-PEG5-Aminooxy CAS #: 2221042-92-62 |
| 2 |  | Mal-PEG5 – Tos CAS #: 2221042-92-63 |
| 3 |  | Mal-PEG5-PNP-carbonato CAS #: 1807537-42-31 |
| 4 |  | Mal-PEG5-alcohol CAS #: 1807537-42-32 |
| 5 |  | Mal-PEG5-amina CAS #: 2221042-92-6 |
| 6 |  | Mal-PEG5-azida CAS #: 2221042-92-60 |
| 7 |  | Mal-PEG5-Propargyl CAS #: 2221042-92-61 |
| 8 |  | Mal-PEG5-acid CAS #: 1286755-26-73 |
| 9 |  | Mal-PEG5-CH2CO2H CAS#: 1286755-26-74 |
| 10 |  | Ester de Mal-PEG5-NHS CAS #: 1807537-42-3 |