Methyl-PEG4-NHS ester

Also known as: m-PEG4-NHS ester, MPEG3-NHS, m-dPEG4-NHS ester, 2,5-dioxopyrrolidin-1-yl 3-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]propanoate, 1-(4,7,10,13-tetraoxatetradecan-1-oyloxy)pyrrolidine-2,5-dione, 1-[(1-Oxo-4,7,10,13-tetraoxatetradec-1-yl)oxy]-2,5-pyrrolidinedione, N-Succinimidyl 4,7,10,13-Tetraoxatetradecanoate, N-hydroxysuccinimidyl 3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxy}-propanoate, mPEG3-CH2CH2COONHS ester, 4,7,10,13-Tetraoxatetradecanoic Acid N-Succinimidyl Ester, 4,7,10,13-Tetraoxatetradecanoic acid 2,5-dioxo-1-pyrrolidinyl ester, 2,5-Dioxopyrrolidin-1-yl 2,5,8,11-tetraoxatetradecan-14-oate, AmbotzPEG1880, M2186

Methyl-PEG4-NHS ester (CAS 622405-78-1) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C14H23NO8 and a molecular weight of 333.334 g/mol. Key properties include a boiling point of 431.7±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 214.9±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

622405-78-1

Jingsj CID

J-1958492-8

Molecular Formula

C₁₄H₂₃NO₈

Molecular Weight

333.334 g/mol

Category

Esters

Last updated

8/21/2026