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3-Maleimidopropionic acid

Also known as: N-(2-Carboxyethyl)maleimide, N-Maleoyl-beta-alanine, 3-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)propanoic acid, 3-(2,5-DIOXO-2,5-DIHYDRO-PYRROL-1-YL)-PROPIONIC ACID, 1H-Pyrrole-1-propanoic acid, 2,5-dihydro-2,5-dioxo-, BMPA, MPA, AKOS BC-0729, β-Maleimidopropionic acid, RARECHEM AL CD 0912

3-Maleimidopropionic acid (CAS 7423-55-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H7NO4 and a molecular weight of 169.135 g/mol. Key properties include a melting point of 103-106 °C(lit.), a boiling point of 382.5±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 185.1±23.2 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7423-55-4
Jingsj CID
J-36623-0
Molecular Formula
C7H7NO4
Molecular Weight
169.135 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point103-106 °C(lit.)
Boiling Point382.5±25.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point185.1±23.2 °C
Exact Mass169.037506
PSA74.68000
LogP0.04
Vapor Pressure0.0±1.9 mmHg at 25°C
Refractive Index1.565

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

TargetAlkyl-Chain
Additional Information[1]. An S, et al. Small-molecule PROTACs: An emerging and promising approach for the development of targeted therapy drugs. EBioMedicine. 2018 Oct;36:553-562

Customs & Trade Information

HS Code2925190090
Summary2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Maleimidopropionic acid?

The CAS number of 3-Maleimidopropionic acid is 7423-55-4.

What are the molecular formula and molecular weight of 3-Maleimidopropionic acid?

3-Maleimidopropionic acid has molecular formula C7H7NO4 and molecular weight 169.135 g/mol.

Is 3-Maleimidopropionic acid hazardous?

3-Maleimidopropionic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 3-Maleimidopropionic acid?

For 3-Maleimidopropionic acid, Upstream Products: Maleic anhydride, beta-Alanine, acetic acid; Downstream Products: N-Succinimidyl 3-maleimidopropionate, Urea.

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

Last updated:

How to cite: Jingsj. "3-Maleimidopropionic acid (CAS 7423-55-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36623-0 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.