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

Also known as: 1-(tert-Butoxycarbonyl)-3-(2-ethoxy-2-oxoethylidene)azetidine, 1-Azetidinecarboxylic acid, 3-(2-ethoxy-2-oxoethylidene)-, 1,1-dimethylethyl ester, 1-Boc-3-(2-ethoxy-2-oxoethylidene)azetidine, 1-Boc-3-ethoxycarbonylmethylene-azetidine, 3-Ethoxycarbonylmethylene-azetidine-1-carboxylic acid tert-butyl ester, Ethyl 2-(1-Boc-azetidin-3-ylidene)acetate, tert-Butyl 3-(2-ethoxy-2-oxoethylidene)azetidine-1-carboxylate 95%

tert-butyl 3-(2-ethoxy-2-oxoethylidene)azetidine-1-carboxylate (CAS 1002355-96-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H19NO4 and a molecular weight of 241.28400 g/mol. Key properties include a density of 1.06g/ml and a flash point of >110 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.: 1002355-96-5
Jingsj CID: J-1119457-3
Molecular Formula: C₁₂H₁₉NO₄
Molecular Weight: 241.28400 g/mol
Category: Organic Acids
Last updated: 11/3/2026

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Physicochemical Properties

Density	1.06g/ml
Flash Point	>110 °C
Exact Mass	241.13100
PSA	55.84000
LogP	1.66450
Refractive Index	1.47

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. 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-ethoxy-2-oxoethylidene)azetidine-1-carboxylate?

The CAS number of tert-butyl 3-(2-ethoxy-2-oxoethylidene)azetidine-1-carboxylate is 1002355-96-5.

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

tert-butyl 3-(2-ethoxy-2-oxoethylidene)azetidine-1-carboxylate has molecular formula C12H19NO4 and molecular weight 241.28400 g/mol.

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

For tert-butyl 3-(2-ethoxy-2-oxoethylidene)azetidine-1-carboxylate, Upstream Products: tert-Butyl 3-oxoazetidine-1-carboxylate, Triethyl phosphonoacetate, Ethyl (triphenylphosphoranylidene)acetate.

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

Last updated: 11/3/2026

How to cite: Jingsj. "tert-butyl 3-(2-ethoxy-2-oxoethylidene)azetidine-1-carboxylate (CAS 1002355-96-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1119457-3 (accessed 2026-11-09).

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