Maleimidoacetic acid N-hydroxysuccinimide ester
Maleimidoacetic acid N-hydroxysuccinimide ester (CAS: 55750-61-3), with the molecular formula C10H8N2O6 and a molecular weight of 252.18, is a valuable reagent in chemical biology and synthesis. It serves as a heterobifunctional crosslinking agent, enabling the specific modification of proteins and biomolecules. This compound is instrumental in applications such as protein structural analysis and proteomics research, facilitating the study of molecular interactions and biological pathways.

Protein Crosslinking
Utilised as a heterobifunctional crosslinking reagent to covalently link proteins or peptides, aiding in the study of protein-protein interactions and complex formation.
Bioconjugation
Facilitates the conjugation of biomolecules, such as attaching labels or functional groups to proteins for detection or further manipulation in biochemical assays.
Chemical Biology Research
Employed in various chemical biology applications for modifying biological molecules to investigate their functions and interactions within cellular systems.
Proteomics and Structural Analysis
Supports proteomic studies by enabling crosslinking strategies for analysing protein structures and identifying protein complexes.
| Molecular weight | 252.18 |
|---|---|
| Empirical formula | C10H8N2O6 |
| Assay | ≥95% |
| Storage temperature | −20°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Maleimidoacetic acid N-hydroxysuccinimide ester used for?
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Maleimidoacetic acid N-hydroxysuccinimide ester is primarily used as a heterobifunctional crosslinking reagent in chemical biology and protein modification. It enables the covalent linking of biomolecules, aiding in studies of protein interactions, structural analysis, and proteomics.
What are the CAS number and formula for Maleimidoacetic acid N-hydroxysuccinimide ester?
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The CAS number is 55750-61-3, and the molecular formula is C10H8N2O6.
What grade and purity does Tech Serve Solutions supply for this product?
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Tech Serve Solutions supplies Maleimidoacetic acid N-hydroxysuccinimide ester with an assay of ≥95%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the main safety concerns when handling Maleimidoacetic acid N-hydroxysuccinimide ester?
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This compound is a Warning substance (GHS07) and is known to cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, should be used. Handle in a well-ventilated area.
How is this chemical shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, experienced in shipping and exporting products worldwide according to international regulations.
How can I request a sample or quote for Maleimidoacetic acid N-hydroxysuccinimide ester?
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To request a sample or a quote, please contact our sales department through the website or by phone, providing the product name and CAS number (55750-61-3).
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