hexahydro-1-methyl-3-(3-oxo-1-cyclohexen-1-yl)-2H-azepin-2-one
Also known as: 1-methyl-3-(3-oxo-1-cyclohexen-1-yl)-2-azepanone, 1-methyl-3-(3-oxocyclohex-1-en-1-yl)azepan-2-one, 1-methyl-3-(3-oxocyclohexen-1-yl)azepan-2-one, 2H-azepin-2-one, hexahydro-1-methyl-3-(3-oxo-1-cyclohexen-1-yl)-, hexahydro-1-methyl-3-(3-oxocyclohexen-1-yl)-2H-azepin-2-one, hexahydro-1-methyl-3-(3-oxo-cyclohex-1-enyl)azepin-2-one
hexahydro-1-methyl-3-(3-oxo-1-cyclohexen-1-yl)-2H-azepin-2-one (CAS 71556-70-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C13H19NO2 and a molecular weight of 221.296 g/mol. Key properties include a melting point of 109-110ºC, a boiling point of 402.1±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 184.2±21.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 71556-70-2
- Jingsj CID
- J-931417-4
- Molecular Formula
- C13H19NO2
- Molecular Weight
- 221.296 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 109-110ºC |
|---|---|
| Boiling Point | 402.1±45.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 184.2±21.1 °C |
| Exact Mass | 221.141586 |
| PSA | 37.38000 |
| LogP | 0.90 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.528 |
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 hexahydro-1-methyl-3-(3-oxo-1-cyclohexen-1-yl)-2H-azepin-2-one?
The CAS number of hexahydro-1-methyl-3-(3-oxo-1-cyclohexen-1-yl)-2H-azepin-2-one is 71556-70-2.
What are the molecular formula and molecular weight of hexahydro-1-methyl-3-(3-oxo-1-cyclohexen-1-yl)-2H-azepin-2-one?
hexahydro-1-methyl-3-(3-oxo-1-cyclohexen-1-yl)-2H-azepin-2-one has molecular formula C13H19NO2 and molecular weight 221.296 g/mol.
What are the upstream and downstream products of hexahydro-1-methyl-3-(3-oxo-1-cyclohexen-1-yl)-2H-azepin-2-one?
For hexahydro-1-methyl-3-(3-oxo-1-cyclohexen-1-yl)-2H-azepin-2-one, Upstream Products: 2-Ethylaziridine, 3-Methoxycyclohex-2-en-1-one, N-Methylcaprolactam; Downstream Products: Meptazinol, 3-Ethylhexahydro-3-(3-hydroxyphenyl)-1-methyl-2H-azepin-2-one, Meptazinol hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "hexahydro-1-methyl-3-(3-oxo-1-cyclohexen-1-yl)-2H-azepin-2-one (CAS 71556-70-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-931417-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.