Bis-PEG21-NHS ester

• Purity:

  98%

• Smiles:

  O=C (ON1C (CCC1=O) =O) CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC (ON2C (CCC2=O) =O) =O

• CAS Number:

  2221948-98-5