diethyl 2-[(thiophen-3-ylamino)methylidene]malonate

Also known as: diethyl 2-[(3-thienylamino)methylidene]malonate, diethyl 2-((thiophen-3-ylamino)methylene)malonate, diethyl 2-[(3-thienylamino)methylene]malonate, 1,3-diethyl 2-[(thiophen-3-ylamino)methylidene]propanedioate, propanedioic acid, 2-[(3-thienylamino)methylene]-, 1,3-diethyl ester, MFCD00122043, MVTXURCRYVWETP-UHFFFAOYSA-N, 2-[(3-thiophenylamino)methylidene]propanedioic acid diethyl ester

diethyl 2-[(thiophen-3-ylamino)methylidene]malonate (CAS 65076-02-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H15NO4S and a molecular weight of 269.31700 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 65076-02-0
Jingsj CID: J-1086551-7
Molecular Formula: C₁₂H₁₅NO₄S
Molecular Weight: 269.31700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	269.07200
PSA	92.87000
LogP	2.24310

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 diethyl 2-[(thiophen-3-ylamino)methylidene]malonate?

The CAS number of diethyl 2-[(thiophen-3-ylamino)methylidene]malonate is 65076-02-0.

What are the molecular formula and molecular weight of diethyl 2-[(thiophen-3-ylamino)methylidene]malonate?

diethyl 2-[(thiophen-3-ylamino)methylidene]malonate has molecular formula C12H15NO4S and molecular weight 269.31700 g/mol.

What are the upstream and downstream products of diethyl 2-[(thiophen-3-ylamino)methylidene]malonate?

For diethyl 2-[(thiophen-3-ylamino)methylidene]malonate, Upstream Products: Methyl 3-aminothiophene-2-carboxylate, Diethyl ethoxymethylenemalonate, thiophen-3-amine; Downstream Products: Ethyl 7-chlorothieno[3,2-b]pyridine-6-carboxylate, Ethyl 7-oxo-4,7-dihydrothieno[3,2-b]pyridine-6-carboxylate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "diethyl 2-[(thiophen-3-ylamino)methylidene]malonate (CAS 65076-02-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1086551-7 (accessed 2026-11-09).

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