5-Aminoindazole
5-Aminoindazole (CAS: 19335-11-6; Formula: C7H7N3; MW: 133.15) is a heterocyclic organic compound with a core indazole structure. This versatile building block is primarily utilised in chemical synthesis for the development of more complex molecules, particularly within the pharmaceutical and fine chemical industries. Its reactive amine group allows for diverse derivatisation, making it a valuable intermediate.

Pharmaceutical Intermediate
5-Aminoindazole serves as a key intermediate in the synthesis of various pharmaceutical agents. Its structural features are incorporated into molecules being investigated for a range of therapeutic applications.
Agrochemical Synthesis
The compound is employed in the development of novel agrochemicals. Its heterocyclic nature provides a scaffold for creating molecules with potential pesticidal or herbicidal activity.
Organic Synthesis Reagent
As a versatile building block, 5-Aminoindazole is used in general organic synthesis for creating diverse molecular architectures. Its functional groups enable various coupling and derivatisation reactions.
Materials Science Research
It can be used in the research and development of new materials, where its structure can contribute to specific electronic or physical properties in polymers or functional materials.
| Molecular weight | 133.15 |
|---|---|
| Empirical formula | C7H7N3 |
| Assay | 97% |
| Melting point | 175-178 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-36/37/38 |
| Safety statements (S) | 26-36-45 |
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-Aminoindazole used for?
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5-Aminoindazole is used as a building block in chemical synthesis, particularly for pharmaceutical intermediates, agrochemicals, and in materials science research.
What are the CAS number and formula for 5-Aminoindazole?
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The CAS number for 5-Aminoindazole is 19335-11-6, and its empirical formula is C7H7N3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Aminoindazole with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 5-Aminoindazole be handled safely?
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5-Aminoindazole is classified as dangerous. It is toxic if swallowed, causes skin irritation, causes serious eye irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment including eyeshields, faceshields, gloves, and a P2 respirator.
Is 5-Aminoindazole packed and shipped internationally?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 5-Aminoindazole, which is shipped internationally.
How can I request a quote or sample for 5-Aminoindazole?
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To request a quote or sample of 5-Aminoindazole, please contact our sales department through our website or by phone.
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