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Benzyl 5-oxo-1,4-diazepane-1-carboxylate

Also known as: 1-Cbz-[1,4]diazepan-5-one, 1H-1,4-Diazepine-1-carboxylic acid, hexahydro-5-oxo-, phenylmethyl ester, 5-Oxo-[1,4]diazepane-1-carboxylic acid benzyl ester, Benzyl 5-oxo-1,4-diazepan-1-carboxylate, 1-Carbobenzoxy-1,4-diazocycloheptan-5-on

Benzyl 5-oxo-1,4-diazepane-1-carboxylate (CAS 18158-16-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C13H16N2O3 and a molecular weight of 248.27800 g/mol. Key properties include a melting point of 110-112 °C, a boiling point of 468.7ºC at 760mmHg, a density of 1.204g/cm3 and a flash point of 237.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18158-16-2
Jingsj CID
J-1120211-2
Molecular Formula
C13H16N2O3
Molecular Weight
248.27800 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point110-112 °C
Boiling Point468.7ºC at 760mmHg
Density1.204g/cm3
Flash Point237.3ºC
Exact Mass248.11600
PSA58.64000
LogP1.41180
Vapor Pressure5.84E-09mmHg at 25°C
Refractive Index1.548

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Benzyl 5-oxo-1,4-diazepane-1-carboxylate?

The CAS number of Benzyl 5-oxo-1,4-diazepane-1-carboxylate is 18158-16-2.

What are the molecular formula and molecular weight of Benzyl 5-oxo-1,4-diazepane-1-carboxylate?

Benzyl 5-oxo-1,4-diazepane-1-carboxylate has molecular formula C13H16N2O3 and molecular weight 248.27800 g/mol.

What are the upstream and downstream products of Benzyl 5-oxo-1,4-diazepane-1-carboxylate?

For Benzyl 5-oxo-1,4-diazepane-1-carboxylate, Upstream Products: 1,4-Diazepan-5-one; Downstream Products: 4-(2-Dimethylaminoethyl)-1,4-diazepan-5-one.

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

Last updated:

How to cite: Jingsj. "Benzyl 5-oxo-1,4-diazepane-1-carboxylate (CAS 18158-16-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1120211-2 (accessed 2026-11-09).

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