1-Aza-2-cyclooctanone
1-Aza-2-cyclooctanone (CAS 673-66-5), with the molecular formula C7H13NO and a molecular weight of 127.18 g/mol, is a cyclic amide (lactam). This organic building block finds utility in chemical synthesis, serving as an intermediate in the production of various organic compounds. Its structure features an eight-membered ring containing a nitrogen atom adjacent to a carbonyl group, making it a valuable component in medicinal chemistry and materials science research.
- IUPAC
- 2-Oxo-heptamethyleneimine,2-Azacyclooctanone,2-Azocanone,Enantholactam,Hexahydro-2(1H)-azocinone,Oenantholactam
- Synonyms
- 2-Oxo-heptamethyleneimine2-Azacyclooctanone2-AzocanoneEnantholactamHexahydro-2(1H)-azocinoneOenantholactam

Organic Synthesis Intermediate
1-Aza-2-cyclooctanone is employed as a versatile building block in complex organic syntheses. Its lactam functionality allows for various chemical transformations, enabling the construction of more intricate molecular architectures for research and development purposes.
Research and Development
This compound serves as a reagent in academic and industrial research laboratories. It is utilised in the exploration of new synthetic pathways and the development of novel compounds with potential applications in pharmaceuticals or materials science.
Precursor for Heterocyclic Compounds
As a lactam, 1-Aza-2-cyclooctanone can be a precursor for the synthesis of other nitrogen-containing heterocyclic compounds. These structures are often of interest in drug discovery and the development of functional materials.
| Molecular weight | 127.18 |
|---|---|
| Empirical formula | C7H13NO |
| Assay | 98% |
| Boiling point | 148-150 °C/10 mmHg(lit.) |
| Melting point | 35-38 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 24/25 |
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 1-Aza-2-cyclooctanone used for?
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1-Aza-2-cyclooctanone is primarily used as a building block and intermediate in organic synthesis and research and development. It serves as a precursor for creating more complex organic molecules and heterocyclic compounds.
What is the CAS number and chemical formula for 1-Aza-2-cyclooctanone?
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The CAS number for 1-Aza-2-cyclooctanone is 673-66-5, and its chemical formula is C7H13NO.
What grade and purity does Tech Serve Solutions supply for 1-Aza-2-cyclooctanone?
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Tech Serve Solutions supplies 1-Aza-2-cyclooctanone with an assay of 98%. This product is intended for laboratory and research use; TSS does not represent it as USP, EP, BP, or pharmacopoeia grade.
What are the primary safety hazards associated with 1-Aza-2-cyclooctanone?
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1-Aza-2-cyclooctanone is classified as harmful if swallowed (H302). When handling, it is recommended to wear a dust mask type N95 (US), eyeshields, and gloves. The flash point is 113 °C (235.4 °F).
How is 1-Aza-2-cyclooctanone packed and shipped?
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1-Aza-2-cyclooctanone is packed and shipped according to industry best practices for chemical reagents, ensuring safe transit and delivery to customers worldwide. Please contact us for specific shipping and export details.
How can I request a sample or a quote for 1-Aza-2-cyclooctanone?
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To request a sample or a quote for 1-Aza-2-cyclooctanone, please contact our sales team through the website or via direct inquiry, providing your details and the quantity required.
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