3-Amino-2-cyclohexen-1-one
3-Amino-2-cyclohexen-1-one (CAS: 5220-49-5), with the molecular formula H₂NC₆H₇O and a molecular weight of 111.14 g/mol, is a key organic building block. It is primarily utilised in chemical synthesis, particularly in the preparation of complex heterocyclic compounds. This chemical serves as a versatile intermediate for researchers and manufacturers developing novel pharmaceutical candidates and other fine chemicals.

Synthesis of Heterocyclic Compounds
3-Amino-2-cyclohexen-1-one is employed as a precursor in the synthesis of various nitrogen-containing heterocyclic structures. Its reactive functional groups allow for cyclisation reactions leading to diverse ring systems.
Pharmaceutical Intermediate
This compound acts as a building block in the multi-step synthesis of potential pharmaceutical agents. It has been documented in the preparation of novel quinoline derivatives with potential biological activities.
Organic Synthesis Reagent
As a functionalised cyclic ketone, it is a valuable reagent in general organic synthesis for constructing more complex molecular architectures. Its structure lends itself to diverse chemical transformations.
| Molecular weight | 111.14 |
|---|---|
| Linear formula | H2NC6H7O |
| Assay | 99% |
| Application | 3-Amino-2-cyclohexen-1-one was used in the synthesis of a series of 2-amino-5-oxo-4-phenyl-5,6,7,8-tetrahydroquinoline-3-carbonitriles1. |
| Melting point | 129-133 °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 3-Amino-2-cyclohexen-1-one used for?
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3-Amino-2-cyclohexen-1-one is used as a building block in organic synthesis, particularly for the preparation of heterocyclic compounds such as quinoline derivatives, and serves as a pharmaceutical intermediate.
What are the CAS number and formula for 3-Amino-2-cyclohexen-1-one?
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The CAS number for 3-Amino-2-cyclohexen-1-one is 5220-49-5, and its linear formula is H₂NC₆H₇O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Amino-2-cyclohexen-1-one with an assay of 99%. This product is intended for research and chemical synthesis purposes and is not represented as USP, EP, BP, or any other pharmacopoeial grade.
What are the safety and handling requirements for 3-Amino-2-cyclohexen-1-one?
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3-Amino-2-cyclohexen-1-one is classified as a Warning (GHS07) substance. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Recommended personal protective equipment includes a dust mask (type N95 US), eyeshields, and gloves. Handle in a well-ventilated area.
How is 3-Amino-2-cyclohexen-1-one packed and exported?
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Tech Serve Solutions exports chemicals globally, adhering to stringent packaging and shipping regulations to ensure safe transit and compliance with international standards.
How can I request a quote or sample for 3-Amino-2-cyclohexen-1-one?
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To request a quote or a sample of 3-Amino-2-cyclohexen-1-one, please contact our sales team through the website or via direct inquiry, providing your specific requirements.
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