Category:
Intermediates&Fine Chemicals
CAS NO:
1835759-72-2
Standard:
In-house Standards,
Aminooxy-PEG-t-butyl ester is a specialized heterobifunctional PEG reagent featuring an aminooxy group for oxime ligation and a t-butyl ester for orthogonal deprotection. General Formula: CnH2n+1OmN; CAS No.: Varies by PEG chain length (e.g., 3056-94-8 for m=1). Synthesis involves polyethylene glycol backbone functionalization via nucleophilic substitution.
Store under inert atmosphere at -20°C to prevent hydrolysis of the ester moiety. Use appropriate PPE as aminooxy compounds may exhibit mild irritancy. Ensure complete removal of residual reagents in clinical manufacturing processes to meet regulatory purity standards.