(S)-3-Amino-1-benzylazepan-2-one

Also known as: (3S)-3-Amino-1-benzyl-2-azepanone, (3S)-3-Amino-1-benzylazepan-2-one, (3S)-3-Aminohexahydro-1-benzyl-2H-azepin-2-one, 2H-Azepin-2-one, 3-aminohexahydro-1-(phenylmethyl)-, (3S)-, L-alpha-Amino-epsilon-N-benzyl-caprolactam, L-A-Amino-e-N-benzyl-caprolactam, L--Amino--N-benzyl-caprolactam

(S)-3-Amino-1-benzylazepan-2-one (CAS 209983-91-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C13H18N2O and a molecular weight of 218.295 g/mol. Key properties include a boiling point of 404.6±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 198.5±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 209983-91-5
Jingsj CID: J-1355763-6
Molecular Formula: C₁₃H₁₈N₂O
Molecular Weight: 218.295 g/mol
Category: Ketones
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	404.6±45.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	198.5±28.7 °C
Exact Mass	218.141907
PSA	46.33000
LogP	1.12
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.562

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 (S)-3-Amino-1-benzylazepan-2-one?

The CAS number of (S)-3-Amino-1-benzylazepan-2-one is 209983-91-5.

What are the molecular formula and molecular weight of (S)-3-Amino-1-benzylazepan-2-one?

(S)-3-Amino-1-benzylazepan-2-one has molecular formula C13H18N2O and molecular weight 218.295 g/mol.

What are the upstream and downstream products of (S)-3-Amino-1-benzylazepan-2-one?

For (S)-3-Amino-1-benzylazepan-2-one, Upstream Products: N-Boc-N'-Cbz-L-lysine, (S)-tert-Butyl (2-oxoazepan-3-yl)carbamate, Benzyl bromide.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(S)-3-Amino-1-benzylazepan-2-one (CAS 209983-91-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355763-6 (accessed 2026-11-09).

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