Methyl 1H-indazole-3-carboxylate
Methyl 1H-indazole-3-carboxylate (CAS: 43120-28-1; C9H8N2O2) is a heterocyclic organic compound with a molecular weight of 176.17 g/mol. Supplied by Tech Serve Solutions at 97% purity, this indazole derivative serves as a valuable building block in chemical synthesis. It is particularly useful in the construction of more complex molecules within the fields of medicinal chemistry and materials science.
- IUPAC
- Indazole-3-carboxylic acid methyl ester

Pharmaceutical Intermediate
Methyl 1H-indazole-3-carboxylate is employed as a key intermediate in the synthesis of active pharmaceutical ingredients (APIs). Its indazole core is a common structural motif found in various therapeutic agents.
Organic Synthesis Building Block
This compound functions as a versatile building block in organic synthesis. It allows for the introduction of the indazole-3-carboxylate moiety into diverse molecular architectures for research and development.
Research and Development
Used in academic and industrial research laboratories for exploring novel chemical reactions and developing new compounds with potential biological activity or material properties.
| Molecular weight | 176.17 |
|---|---|
| Empirical formula | C9H8N2O2 |
| Assay | 97% |
| Melting point | 166-171 °C |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 Methyl 1H-indazole-3-carboxylate used for?
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Methyl 1H-indazole-3-carboxylate is primarily used as a building block in organic synthesis and as an intermediate in the development of pharmaceuticals and other complex organic molecules.
What are the CAS number and formula for Methyl 1H-indazole-3-carboxylate?
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The CAS number is 43120-28-1, and the empirical formula is C9H8N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl 1H-indazole-3-carboxylate with a purity of 97%. This product is intended for chemical synthesis and research purposes and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
How should Methyl 1H-indazole-3-carboxylate be handled safely?
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Methyl 1H-indazole-3-carboxylate is classified as harmful if swallowed (H302). Handle with appropriate personal protective equipment, including gloves and eye protection, and ensure adequate ventilation. Avoid ingestion and contact with skin and eyes. Refer to the Safety Data Sheet (SDS) for detailed handling information.
Is Methyl 1H-indazole-3-carboxylate a controlled substance?
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Based on the provided data, Methyl 1H-indazole-3-carboxylate is not indicated as a controlled substance.
How is Methyl 1H-indazole-3-carboxylate packed and shipped?
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Tech Serve Solutions offers this chemical for global export, packed according to industry standards to ensure safe transportation and delivery.
How can I request a quote or sample for Methyl 1H-indazole-3-carboxylate?
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To request a quote or sample, please use the contact form on our website or reach out to our sales department with your specific requirements, including the CAS number 43120-28-1.
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