2-azaspiro[4.5]decan-3-one

Also known as: Gabapentin-lactam, Gabapentin lactam, 4,4-Pentamethylene-2-pyrrolidinone, 4,4-Pentamethylene-2-pyrrolidone, 3,3-Pentamethylene-4-butyrolactam, GABA-pentinlactam, Pentamethylene pyrrolidinone, beta,beta-Pentamethylen-gamma-butyrolactam, Gabapentin Impurity 1, Gabapentin Related Compound A

2-azaspiro[4.5]decan-3-one (CAS 64744-50-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H15NO and a molecular weight of 153.22100 g/mol. Key properties include a melting point of 84-89 °C(lit.), a boiling point of 181 °C / 13mmHg, a density of 1.05 g/cm3 and a flash point of 192.3ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.: 64744-50-9
Jingsj CID: J-47555-8
Molecular Formula: C₉H₁₅NO
Molecular Weight: 153.22100 g/mol
Category: Ketones
Last updated: 11/3/2026

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Physicochemical Properties

Melting Point	84-89 °C(lit.)
Boiling Point	181 °C / 13mmHg
Density	1.05 g/cm3
Flash Point	192.3ºC
Exact Mass	153.11500
PSA	29.10000
LogP	1.78560
Refractive Index	1.509

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[4.5]decan-3-one?

The CAS number of 2-azaspiro[4.5]decan-3-one is 64744-50-9.

What are the molecular formula and molecular weight of 2-azaspiro[4.5]decan-3-one?

2-azaspiro[4.5]decan-3-one has molecular formula C9H15NO and molecular weight 153.22100 g/mol.

What are the upstream and downstream products of 2-azaspiro[4.5]decan-3-one?

For 2-azaspiro[4.5]decan-3-one, Upstream Products: 2-(1-Cyanocyclohexyl)acetic acid, 1-Cyanocyclohexaneacetonitrile, 1,1-Cyclohexanediacetic acid mono amide; Downstream Products: 2-Azaspiro[4.5]decane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 11/3/2026

How to cite: Jingsj. "2-azaspiro[4.5]decan-3-one (CAS 64744-50-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47555-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.