5-Chloro-3-phenyl-1H-indole-2-carboxylic acid
5-Chloro-3-phenyl-1H-indole-2-carboxylic acid (CAS 21139-31-1) is a halogenated indole derivative with the molecular formula C15H10ClNO2 and a molecular weight of 271.70 g/mol. This compound serves as a valuable building block in chemical synthesis. Its structure, featuring a chlorinated indole core with a phenyl substituent, makes it useful for constructing more complex heterocyclic molecules and pharmaceutical intermediates.

Chemical Synthesis
This indole derivative is employed as a key intermediate in organic synthesis. It provides a functionalised scaffold for the development of novel compounds, particularly within medicinal chemistry and materials science research.
Heterocyclic Chemistry
As a halogenated heterocyclic building block, it is used to introduce the indole moiety into larger molecular structures. Its reactivity allows for further chemical modifications and derivatisation.
Pharmaceutical Intermediate Research
The compound's structural features are relevant for the synthesis of potential drug candidates and biologically active molecules. It can be incorporated into research programmes targeting various therapeutic areas.
| Molecular weight | 271.70 |
|---|---|
| Empirical formula | C15H10ClNO2 |
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 5-Chloro-3-phenyl-1H-indole-2-carboxylic acid used for?
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5-Chloro-3-phenyl-1H-indole-2-carboxylic acid is primarily used as a building block in chemical synthesis, particularly for creating complex heterocyclic compounds and pharmaceutical intermediates.
What is the CAS number and formula for this compound?
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The CAS number is 21139-31-1, and the empirical formula is C15H10ClNO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound for research and development purposes. The specific assay and grade are detailed in the product specifications; it is not supplied as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling considerations for 5-Chloro-3-phenyl-1H-indole-2-carboxylic acid?
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Refer to the Safety Data Sheet (SDS) for comprehensive safety information. Standard laboratory precautions, including appropriate personal protective equipment (e.g., gloves, eye protection), should be employed to avoid contact and inhalation.
Can Tech Serve Solutions export 5-Chloro-3-phenyl-1H-indole-2-carboxylic acid?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals and laboratory reagents, including 5-Chloro-3-phenyl-1H-indole-2-carboxylic acid.
How can I request a sample or quote for 5-Chloro-3-phenyl-1H-indole-2-carboxylic acid?
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Please contact our sales department or use the online inquiry form on our website to request a sample or a quote for 5-Chloro-3-phenyl-1H-indole-2-carboxylic acid.
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