4-Maleimidobutyric acid
Also known as: 4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)butanoic acid, 4-Maleimidobutanoic acid, N-(3-Carboxypropyl)maleimide, N-Maleoyl-4-aminobutyric acid, N-Maleoyl-GABA, γ-Maleimidobutyric acid, MBA, Maleimide-(CH2)3-COOH
4-Maleimidobutyric acid (CAS 57078-98-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H9NO4 and a molecular weight of 183.161 g/mol. Key properties include a melting point of 95-98ºC, a boiling point of 400.1±28.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 195.8±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 57078-98-5
- Jingsj CID
- J-1972229-2
- Molecular Formula
- C8H9NO4
- Molecular Weight
- 183.161 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 95-98ºC |
|---|---|
| Boiling Point | 400.1±28.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 195.8±24.0 °C |
| Exact Mass | 183.053162 |
| PSA | 74.68000 |
| LogP | 0.40 |
| Vapor Pressure | 0.0±2.0 mmHg at 25°C |
| Refractive Index | 1.553 |
| Storage Conditions | 2-8°C |
Activity & Biological Data
| Target | Alkyl-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 |
Frequently Asked Questions
What is the CAS number of 4-Maleimidobutyric acid?
The CAS number of 4-Maleimidobutyric acid is 57078-98-5.
What are the molecular formula and molecular weight of 4-Maleimidobutyric acid?
4-Maleimidobutyric acid has molecular formula C8H9NO4 and molecular weight 183.161 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Maleimidobutyric acid (CAS 57078-98-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1972229-2 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.