C7H7NO4
169.13 g/mol
Pharmaceutical IntermediateWarning
3-Maleimidopropionic acid
CAS7423-55-4EC616-069-0
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
3-Maleimidopropionic acid is a pharmaceutical intermediate commonly used in bioconjugation processes. It features a maleimide group that reacts selectively with thiol groups, enabling the attachment of biomolecules such as proteins or peptides.
pharmaceutical intermediate for bioconjugationreagent for thiol-reactive crosslinking in research
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Referencesame scaffold
CHEMBL47645
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6-Maleimidocaproic acid
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 3-Maleimidopropionic acid (CAS 7423-55-4) is 2925.19.
HS code (international, 6-digit)
2925.19
EU CN code (8-digit)
2925 19 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
3-(2,5-dioxopyrrol-1-yl)propanoic acid
InChIKey
IUTPJBLLJJNPAJ-UHFFFAOYSA-N
SMILES
C1=CC(=O)N(C1=O)CCC(=O)O
Synonyms (17)
- 3-Maleimidopropanoic acid
- 3-Maleimidopropionic acid
- BMPA Protein Modifier
- Mal-(CH2)2-COOH
- Maleimide-(CH2)2-COOH
- N-(2-Carboxyethyl)maleimide
- N-Maleoyl-beta-alanine
- N-carboxyethylmaleimide
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