2,3-Dichloro-N-phenylmaleimide
2,3-Dichloro-N-phenylmaleimide (CAS 3876-05-9) is an organic compound with the molecular formula C10H5Cl2NO2 and a molecular weight of 242.06 g/mol. This dichloro-substituted cyclic imide serves as a versatile building block in organic synthesis. It is primarily utilised in the creation of complex organic molecules and as a reagent in chemical research, offering a reactive site for further functionalisation.
- IUPAC
- 3,4-Dichloro-1-phenyl-pyrrol-2,5-dione
- Synonyms
- 3,4-Dichloro-1-phenyl-pyrrol-2,5-dione

Organic Synthesis Intermediate
Serves as a crucial intermediate in the synthesis of various organic compounds. Its reactive nature allows for incorporation into more complex molecular structures.
Research and Development
Employed in laboratory settings for chemical research and the development of novel compounds. It is a valuable reagent for exploring new synthetic pathways.
Building Block for Heterocycles
Used as a fundamental building block for the construction of diverse heterocyclic systems, contributing to the field of medicinal chemistry and materials science.
| Molecular weight | 242.06 |
|---|---|
| Empirical formula | C10H5Cl2NO2 |
| Melting point | 199-205 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 2,3-Dichloro-N-phenylmaleimide used for?
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2,3-Dichloro-N-phenylmaleimide is primarily used as a versatile building block in organic synthesis and in chemical research and development for creating complex organic molecules and heterocyclic systems.
What is the CAS number and formula for 2,3-Dichloro-N-phenylmaleimide?
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The CAS number is 3876-05-9, and its empirical formula is C10H5Cl2NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound for research and laboratory use. Purity details are available upon request. It is not supplied as USP, BP, EP, nutraceutical or food grade.
What are the safety and handling considerations for 2,3-Dichloro-N-phenylmaleimide?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The substance has a WGK Germany rating of 3, indicating it is hazardous to water.
How is 2,3-Dichloro-N-phenylmaleimide packed, shipped, and exported?
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Tech Serve Solutions expertly packs, ships, and exports chemicals globally, adhering to all relevant regulations to ensure safe and compliant transit.
How can I request a sample or quote for 2,3-Dichloro-N-phenylmaleimide?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing your specific requirements.
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