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tert-butyl 3-(2-methoxy-2-oxoethylidene)azetidine-1-carboxylate

Also known as: 1-Boc-3-methoxycarbonylmethylene-azetidine, 1-Boc-3-methoxycarbonylmethyleneazetidine, Methyl 2-(1-Boc-3-azetidinylidene)acetate, 1,1-Dimethylethyl 3-(2-methoxy-2-oxoethylidene)-1-azetidinecarboxylate, 1,3-Azetidinedicarboxylic acid, 1-(1,1-dimethylethyl) 3-methyl ester, 1-Azetidinecarboxylic acid, 3-(2-methoxy-2-oxoethylidene)-, 1,1-dimethylethyl ester, 2-Methyl-2-propanyl 3-(2-methoxy-2-oxoethylidene)-1-azetidinecarboxylate, tert-Butyl 3-(2-methoxy-2-oxoethylidene)azetidine-1-carboxylate

tert-butyl 3-(2-methoxy-2-oxoethylidene)azetidine-1-carboxylate (CAS 1105662-87-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H17NO4 and a molecular weight of 227.257 g/mol. Key properties include a boiling point of 303.3±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 137.2±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1105662-87-0
Jingsj CID
J-1455523-8
Molecular Formula
C11H17NO4
Molecular Weight
227.257 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point303.3±35.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point137.2±25.9 °C
Exact Mass227.115753
PSA55.84000
LogP1.40
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.551

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 3-(2-methoxy-2-oxoethylidene)azetidine-1-carboxylate?

The CAS number of tert-butyl 3-(2-methoxy-2-oxoethylidene)azetidine-1-carboxylate is 1105662-87-0.

What are the molecular formula and molecular weight of tert-butyl 3-(2-methoxy-2-oxoethylidene)azetidine-1-carboxylate?

tert-butyl 3-(2-methoxy-2-oxoethylidene)azetidine-1-carboxylate has molecular formula C11H17NO4 and molecular weight 227.257 g/mol.

What are the upstream and downstream products of tert-butyl 3-(2-methoxy-2-oxoethylidene)azetidine-1-carboxylate?

For tert-butyl 3-(2-methoxy-2-oxoethylidene)azetidine-1-carboxylate, Upstream Products: tert-Butyl 3-oxoazetidine-1-carboxylate.

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 3-(2-methoxy-2-oxoethylidene)azetidine-1-carboxylate (CAS 1105662-87-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1455523-8 (accessed 2026-11-09).

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