Poly(oxy-1,2-ethanediyl), α-hydro-ω-[2-[[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethoxy]-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1)

聚(氧-1,2-乙二基), α-氢-ω-[2-[[3-(2,5-二氢-2,5-二氧代-1H-吡咯-1-基)-1-氧代丙基]氨基]乙氧基]-, 与2,2-双(羟甲基)-1,3-丙二醇的醚 (4:1)

Also known as: 4-Arm PEG-Maleimide, 4-Arm PEG-Mal, Poly(ethylene glycol) 4-arm maleimide, α-Hydro-ω-[2-[[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethoxy]poly(oxy-1,2-ethanediyl) ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1)

Poly(oxy-1,2-ethanediyl), α-hydro-ω-[2-[[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethoxy]-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1) (CAS 1349099-55-3) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C49H68N8O20 and a molecular weight of 1089.1 g/mol. It is also known as 4-Arm PEG-Maleimide, 4-Arm PEG-Mal and Poly(ethylene glycol) 4-arm maleimide. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1349099-55-3
Jingsj CID
J-1859905-7
Molecular Formula
C49H68N8O20
Chinese Name
聚(氧-1,2-乙二基), α-氢-ω-[2-[[3-(2,5-二氢-2,5-二氧代-1H-吡咯-1-基)-1-氧代丙基]氨基]乙氧基]-, 与2,2-双(羟甲基)-1,3-丙二醇的醚 (4:1)
Molecular Weight
1089.1 g/mol
Category
Solvents
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of Poly(oxy-1,2-ethanediyl), α-hydro-ω-[2-[[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethoxy]-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1)?

The CAS number of Poly(oxy-1,2-ethanediyl), α-hydro-ω-[2-[[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethoxy]-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1) is 1349099-55-3.

What are the molecular formula and molecular weight of Poly(oxy-1,2-ethanediyl), α-hydro-ω-[2-[[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethoxy]-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1)?

Poly(oxy-1,2-ethanediyl), α-hydro-ω-[2-[[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethoxy]-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1) has molecular formula C49H68N8O20 and molecular weight 1089.1 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Poly(oxy-1,2-ethanediyl), α-hydro-ω-[2-[[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethoxy]-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1) (CAS 1349099-55-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1859905-7 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.