Skip to main content

tert-butyl 5-oxo-1,4-diazepane-1-carboxylate

Also known as: 1-Boc-1,4-diazepan-5-one, 1-N-Boc-5-oxo-1,4-diazepane, 5-oxo-[1,4]diazepane-1-carboxylic acid tert-butyl ester, tert-butyl 5-oxo-1,4-diazepane-1-carboxylate, 1-(tert-butoxycarbonyl)hexahydro-1,4-diazepin-5-one, N1-Boc-5-oxo-1,4-diazepane, 5-oxo-[1,4]diazepane-1-carboxylic acid t-butyl ester

tert-butyl 5-oxo-1,4-diazepane-1-carboxylate (CAS 190900-21-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H18N2O3 and a molecular weight of 214.262 g/mol. Key properties include a boiling point of 373.1±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 179.4±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
190900-21-1
Jingsj CID
J-1454120-9
Molecular Formula
C10H18N2O3
Molecular Weight
214.262 g/mol
Category
Ketones
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point373.1±35.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point179.4±25.9 °C
Exact Mass214.131744
PSA58.64000
LogP-0.70
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.475

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 tert-butyl 5-oxo-1,4-diazepane-1-carboxylate?

The CAS number of tert-butyl 5-oxo-1,4-diazepane-1-carboxylate is 190900-21-1.

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

tert-butyl 5-oxo-1,4-diazepane-1-carboxylate has molecular formula C10H18N2O3 and molecular weight 214.262 g/mol.

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

For tert-butyl 5-oxo-1,4-diazepane-1-carboxylate, Upstream Products: tert-Butyl 4-(hydroxyimino)piperidine-1-carboxylate, 1,4-Diazepan-5-one, Di-tert-butyl dicarbonate; Downstream Products: 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. "tert-butyl 5-oxo-1,4-diazepane-1-carboxylate (CAS 190900-21-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1454120-9 (accessed 2026-11-09).

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