N-Succinimidyl maleimidoacetate

马来酰亚胺基乙酸琥珀酰亚胺酯

Also known as: AMAS, N-(α-Maleimidoacetoxy)succinimide, Maleimidoacetic acid N-hydroxysuccinimide ester, 2,5-Dioxopyrrolidin-1-yl 2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)acetate, 1-[2-[(2,5-Dioxo-1-pyrrolidinyl)oxy]-2-oxoethyl]-1H-pyrrole-2,5-dione, MFCD00133523, N-(α-Maleimidoacetoxy)succinimide Ester (AMAS), a-Maleimidoacetic acid-NHS, N-SUCCINIMIDYL MALEIMIDOACETATE, 1-[2-[(2,5-Dioxo-1-pyrrolidinyl)oxy]-2-oxoethyl]-1H-pyrrole-2,5-dione, Maleimidoacetic Acid N-Hydroxysuccinimide Ester

N-Succinimidyl maleimidoacetate (CAS 55750-61-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H8N2O6 and a molecular weight of 252.180 g/mol. It is also known as AMAS, N-(α-Maleimidoacetoxy)succinimide and Maleimidoacetic acid N-hydroxysuccinimide ester. Key properties include a melting point of 174-175ºC, a boiling point of 430.1±47.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 213.9±29.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55750-61-3
Jingsj CID
J-36616-2
Molecular Formula
C10H8N2O6
Chinese Name
马来酰亚胺基乙酸琥珀酰亚胺酯
Molecular Weight
252.180 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point174-175ºC
Boiling Point430.1±47.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point213.9±29.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of N-Succinimidyl maleimidoacetate?

The CAS number of N-Succinimidyl maleimidoacetate is 55750-61-3.

What are the molecular formula and molecular weight of N-Succinimidyl maleimidoacetate?

N-Succinimidyl maleimidoacetate has molecular formula C10H8N2O6 and molecular weight 252.180 g/mol.

Is N-Succinimidyl maleimidoacetate hazardous?

N-Succinimidyl maleimidoacetate has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "N-Succinimidyl maleimidoacetate (CAS 55750-61-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36616-2 (accessed 2026-10-23).

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