Amino-PEG1-acid

Amino-PEG1-acid (CAS 144942-89-2) is a short PEG-linker pharmaceutical intermediate - described by the supplier as an amino-mono(ethylene glycol)-carboxylic acid - manufactured directly by 2A Biotech USA to industrial grade under in-house specifications. It serves as a building block in bioconjugation and linker chemistry, and is distributed across Asia, North and South America, Europe, and Australasia; samples are not provided.