5-Nitroindazole
5-Nitroindazole (CAS: 5401-94-5) is an organic compound with the formula C7H5N3O2 and a molecular weight of 163.13 g/mol. This heterocyclic compound serves as a valuable building block in organic synthesis. It is primarily utilised in the development of more complex molecules for research and chemical synthesis purposes. Its chemical structure makes it an important intermediate for various chemical reactions, contributing to advancements in material science and medicinal chemistry research.

Organic Synthesis Intermediate
5-Nitroindazole is employed as a key intermediate in the synthesis of diverse organic compounds. Its nitro and indazole functionalities allow for various chemical transformations.
Heterocyclic Chemistry Research
This compound is utilised in academic and industrial research focused on heterocyclic chemistry. It aids in the exploration of novel indazole derivatives and their potential properties.
Building Block for Complex Molecules
As a versatile building block, 5-Nitroindazole facilitates the construction of larger, more complex molecular architectures. This is crucial for developing new chemical entities.
| Molecular weight | 163.13 |
|---|---|
| Empirical formula | C7H5N3O2 |
| Assay | ≥99% |
| Melting point | 204-208 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- 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, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26 |
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-Nitroindazole used for?
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5-Nitroindazole is used as a building block in organic synthesis and in research within heterocyclic chemistry.
What is the CAS number and chemical formula for 5-Nitroindazole?
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The CAS number is 5401-94-5 and the chemical formula is C7H5N3O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Nitroindazole with an assay of ≥99%. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should 5-Nitroindazole be handled?
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Handling requires appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, faceshields, and gloves, due to hazards including skin, eye, and respiratory irritation (H315, H319, H335) and harmful if swallowed (H302).
How is 5-Nitroindazole packed, shipped, and exported?
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5-Nitroindazole is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a quote or sample for 5-Nitroindazole?
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To request a quote or sample, please contact our sales team through the website or direct email, providing your specific requirements.
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