6-Chloro-2-oxindole
6-Chloro-2-oxindole (CAS 56341-37-8) is a halogenated heterocyclic compound with the molecular formula C8H6ClNO and a molecular weight of 167.59 g/mol. This building block is a valuable intermediate in organic synthesis, particularly for the construction of more complex molecules in pharmaceutical research and development. Its structure lends itself to diverse chemical transformations, making it a key component in the synthesis of various chemical entities.
- IUPAC
- 6-Chlorooxindole

Pharmaceutical Intermediate
6-Chloro-2-oxindole serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs). Its unique chemical structure allows for the introduction of specific functionalities required in drug discovery and development pathways.
Organic Synthesis Reagent
This compound is employed in various organic synthesis reactions. It is used to create complex molecular architectures and functionalised compounds for research purposes, leveraging its reactive sites for further chemical elaboration.
Heterocyclic Chemistry
As a halogenated indole derivative, 6-Chloro-2-oxindole is significant in heterocyclic chemistry. It is used in the development of novel heterocyclic compounds with potential applications in materials science and medicinal chemistry.
| Molecular weight | 167.59 |
|---|---|
| Empirical formula | C8H6ClNO |
| Assay | 97% |
| Melting point | 195-199 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-43 |
| Safety statements (S) | 37/39 |
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 6-Chloro-2-oxindole used for?
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6-Chloro-2-oxindole is primarily used as a building block in organic synthesis, particularly in the pharmaceutical industry for the development of drug candidates and as an intermediate in the synthesis of complex heterocyclic compounds.
What is the CAS number and formula for 6-Chloro-2-oxindole?
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The CAS number for 6-Chloro-2-oxindole is 56341-37-8 and its empirical formula is C8H6ClNO.
What grade and purity does Tech Serve Solutions supply for 6-Chloro-2-oxindole?
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Tech Serve Solutions supplies 6-Chloro-2-oxindole with an assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
What are the safety considerations for handling 6-Chloro-2-oxindole?
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6-Chloro-2-oxindole is classified with a GHS07 symbol and a Warning signal word. It carries hazard statements H302 (Harmful if swallowed) and H317 (May cause an allergic skin reaction). Appropriate personal protective equipment including a dust mask type N95 (US), eyeshields, faceshields, and gloves should be used. Ensure adequate ventilation and avoid dust formation.
How is 6-Chloro-2-oxindole packed, shipped, and exported?
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6-Chloro-2-oxindole is carefully packed according to industry standards to ensure safe transit. Tech Serve Solutions, as a global supplier, exports this chemical worldwide, adhering to all relevant shipping and regulatory requirements.
How can I request a sample or quote for 6-Chloro-2-oxindole?
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To request a sample or obtain a quote for 6-Chloro-2-oxindole, please contact our sales team through the website or by phone, providing your specific requirements.
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