7-Amino-1H-indazole
7-Amino-1H-indazole (CAS 21443-96-9, C7H7N3) is a heterocyclic organic compound with a molecular weight of 133.15 g/mol. It serves as a valuable building block in chemical synthesis, particularly within the realm of indazole derivatives and other complex organic structures. This compound is a key intermediate for research and development in various scientific fields, offering a versatile scaffold for novel molecule design.

Pharmaceutical Intermediate
Utilised as a foundational component in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates. Its indazole core is a common motif in medicinal chemistry for developing targeted therapies.
Organic Synthesis Building Block
An essential reagent for constructing complex organic molecules. Its reactive amine group and indazole ring system allow for diverse chemical transformations and functionalisation.
Research and Development
Employed in academic and industrial research laboratories for exploring new chemical reactions and discovering novel compounds with potential biological activity or material properties.
Agrochemical Synthesis
May be used in the development of new agrochemicals, leveraging its heterocyclic structure for the creation of pesticides or herbicides.
| Molecular weight | 133.15 |
|---|---|
| Empirical formula | C7H7N3 |
| Assay | 97% |
| Melting point | 157-163 °C |

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
| Water hazard class (WGK, DE) | 3 |
|---|---|
| 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 7-Amino-1H-indazole primarily used for?
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7-Amino-1H-indazole is primarily used as a building block in organic synthesis, particularly for the creation of pharmaceutical intermediates and complex heterocyclic compounds.
What is the CAS number and formula for 7-Amino-1H-indazole?
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The CAS number for 7-Amino-1H-indazole is 21443-96-9, and its empirical formula is C7H7N3.
What grade and purity does Tech Serve Solutions supply for 7-Amino-1H-indazole?
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Tech Serve Solutions supplies 7-Amino-1H-indazole with a minimum assay of 97%. This product is typically supplied for research and chemical synthesis purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 7-Amino-1H-indazole be handled safely?
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7-Amino-1H-indazole is classified as a Warning. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including gloves and eye protection, and ensure good ventilation. Avoid breathing dust. In case of contact, rinse cautiously with water for several minutes; remove contact lenses if present and easy to do. Continue rinsing.
Is 7-Amino-1H-indazole available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 7-Amino-1H-indazole, and can fulfil export orders.
How can I request a sample or quote for 7-Amino-1H-indazole?
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To request a sample or quote, please contact our sales team through the website or by calling our office. Provide the product name and CAS number (21443-96-9) for prompt service.
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