2-(2-(2-(2-AMINOETHOXY)ETHOXY)ETHOXY)ETHANOL

2-(2-(2-(2-aminoethoxy)ethoxy)ethoxy)ethanol — described by the supplier under its Chinese name as 1-amino-3,6,9-trioxaundecan-11-ol, an amino-terminated PEG4 alcohol (CAS 86770-74-3) — is an industrial-grade pharmaceutical intermediate manufactured directly by 2A Biotech USA and distributed across Asia, North America, Central/South America, Western and Eastern Europe, Australasia, and the Middle East.