![Molecular structure of 2-Azaspiro[4.4]nonan-1-one (CAS 1004-51-9)](/images/chem_structures_svg/178/1004-51-9.svg)
2-Azaspiro[4.4]nonan-1-one
Also known as: 2-Aza-spiro[4.4]nonan-1-one, 2-Azaspiro<4.4>nonan-1-one, 2-azaspirononan-1-one, 3,3-Tetramethylenpyrrolidin-2-one
2-Azaspiro[4.4]nonan-1-one (CAS 1004-51-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H13NO and a molecular weight of 139.19500 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1004-51-9
- Jingsj CID
- J-1127309-9
- Molecular Formula
- C8H13NO
- Molecular Weight
- 139.19500 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Exact Mass | 139.10000 |
|---|---|
| PSA | 32.59000 |
| LogP | 1.34260 |
Customs & Trade Information
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-Azaspiro[4.4]nonan-1-one?
The CAS number of 2-Azaspiro[4.4]nonan-1-one is 1004-51-9.
What are the molecular formula and molecular weight of 2-Azaspiro[4.4]nonan-1-one?
2-Azaspiro[4.4]nonan-1-one has molecular formula C8H13NO and molecular weight 139.19500 g/mol.
What are the upstream and downstream products of 2-Azaspiro[4.4]nonan-1-one?
For 2-Azaspiro[4.4]nonan-1-one, Upstream Products: Methyl cyclopentanecarboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Azaspiro[4.4]nonan-1-one (CAS 1004-51-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1127309-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.