5-Methylindole-3-carboxaldehyde
5-Methylindole-3-carboxaldehyde (CAS 52562-50-2) is an organic compound with the formula C10H9NO and a molecular weight of 159.18 g/mol. This indole derivative serves as a valuable building block in organic synthesis, particularly for the development of novel ligands and complex molecules. Its aldehyde functional group allows for diverse chemical transformations, making it a key intermediate in research and development settings for heterocyclic chemistry.
- IUPAC
- NSC 88872

Synthesis of Novel Ligands
5-Methylindole-3-carboxaldehyde has been utilised in the creation of new flexible tripodal ligands. These ligands are derived from the 3-methylindole core.
Preparation of Metal Complexes
The synthesized tripodal ligands have been employed to form mononuclear complexes with various metal ions, including Zn(II), Cu(II), Ni(II), Hg(II), and Pd(II).
Organic Building Block
As a functionalised indole, this compound serves as a versatile building block in organic synthesis for creating more complex heterocyclic structures and functional molecules.
| Molecular weight | 159.18 |
|---|---|
| Empirical formula | C10H9NO |
| Assay | 97% |
| Application | 5-Methylindole-3-carboxaldehyde was used in the synthesis of novel flexible tripodal ligand derived from 3-methylindole and its mononuclear Zn(II),Cu(II), Ni(II), Hg(II) and Pd(II) complexes1. |
| Melting point | 148-151 °C(lit.) |

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 5-Methylindole-3-carboxaldehyde used for?
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5-Methylindole-3-carboxaldehyde is used as a building block in organic synthesis, notably for creating novel flexible tripodal ligands and their corresponding metal complexes, as well as for general chemical synthesis requiring functionalised indole structures.
What are the CAS number and formula for 5-Methylindole-3-carboxaldehyde?
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The CAS number for 5-Methylindole-3-carboxaldehyde is 52562-50-2, and its empirical formula is C10H9NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Methylindole-3-carboxaldehyde with an assay of 97%. This product is not supplied as USP, BP, EP, or any other pharmacopoeia grade.
How should 5-Methylindole-3-carboxaldehyde be handled safely?
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5-Methylindole-3-carboxaldehyde is classified as a Warning substance (GHS07) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves. Ensure good ventilation and avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes and remove contact lenses if present and easy to do.
Is 5-Methylindole-3-carboxaldehyde exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 5-Methylindole-3-carboxaldehyde.
How can I request a quote or sample for 5-Methylindole-3-carboxaldehyde?
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To request a quote or sample for 5-Methylindole-3-carboxaldehyde, please contact our sales team via the website or provide your details through the product enquiry form.
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