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(R)-3-Aminohexahydro-1H-azepin-2-one

Also known as: (R)-3-Amino-2-azepanone, (R)-3-Aminoazepan-2-one, D-alpha-Amino-epsilon-caprolactam, (3R)-3-aminoazepan-2-one, (3R)-3α-Aminohexahydro-1H-azepine-2-one, (3R)-3α-Aminohexahydro-2H-azepine-2-one, (R)-3-Amino-Hexahydro-1H-Azepin, 2H-Azepin-2-one, 3-aminohexahydro-, (R)-, 3-Amino-2-azepanone, 3-Aminoazepan-2-one, D-2-aminohexano-6-lactam

(R)-3-Aminohexahydro-1H-azepin-2-one (CAS 28957-33-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H12N2O and a molecular weight of 128.172 g/mol. Key properties include a boiling point of 315.1±35.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 144.4±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
28957-33-7
Jingsj CID
J-1343560-4
Molecular Formula
C6H12N2O
Molecular Weight
128.172 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point315.1±35.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point144.4±25.9 °C
Exact Mass128.094955
PSA55.12000
LogP-1.64
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.470
Storage Conditions2-8°C

Customs & Trade Information

HS Code2933790090
Summary2933790090. 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 (R)-3-Aminohexahydro-1H-azepin-2-one?

The CAS number of (R)-3-Aminohexahydro-1H-azepin-2-one is 28957-33-7.

What are the molecular formula and molecular weight of (R)-3-Aminohexahydro-1H-azepin-2-one?

(R)-3-Aminohexahydro-1H-azepin-2-one has molecular formula C6H12N2O and molecular weight 128.172 g/mol.

What are the upstream and downstream products of (R)-3-Aminohexahydro-1H-azepin-2-one?

For (R)-3-Aminohexahydro-1H-azepin-2-one, Upstream Products: D-Lysine hydrochloride, 3-Amino-2-azepanone, D-Lysine; Downstream Products: tert-butyl N-[(3R)-2-oxoazepan-3-yl]carbamate, tert-butyl N-(2-oxoazepan-3-yl)carbamate.

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

Last updated:

How to cite: Jingsj. "(R)-3-Aminohexahydro-1H-azepin-2-one (CAS 28957-33-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1343560-4 (accessed 2026-11-09).

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