diethyl 2-(((1-methyl-1H-pyrazol-5-yl)amino)methylene)malonate

Also known as: diethyl 2-([(1-methyl-1H-pyrazol-5-yl)amino]methylene)malonate, 2-[[(2-methyl-3-pyrazolyl)amino]methylidene]propanedioic acid diethyl ester, Diethyl 2-([(1-methyl-1H-pyrazol)amino]methylene)malonate, Propanedioic acid, 2-[[(1-methyl-1H-pyrazol-5-yl)amino]methylene]-, 1,3-diethyl ester, diethyl 2-[[(2-methylpyrazol-3-yl)amino]methylidene]propanedioate

diethyl 2-(((1-methyl-1H-pyrazol-5-yl)amino)methylene)malonate (CAS 37799-77-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H17N3O4 and a molecular weight of 267.28100 g/mol. Key properties include a boiling point of 358ºC at 760 mmHg, a density of 1.2g/cm3 and a flash point of 170.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 37799-77-2
Jingsj CID: J-1086486-5
Molecular Formula: C₁₂H₁₇N₃O₄
Molecular Weight: 267.28100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	358ºC at 760 mmHg
Density	1.2g/cm3
Flash Point	170.3ºC
Exact Mass	267.12200
PSA	82.45000
LogP	0.91510
Refractive Index	1.535

Customs & Trade Information

HS Code	2933199090
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. 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-(((1-methyl-1H-pyrazol-5-yl)amino)methylene)malonate?

The CAS number of diethyl 2-(((1-methyl-1H-pyrazol-5-yl)amino)methylene)malonate is 37799-77-2.

What are the molecular formula and molecular weight of diethyl 2-(((1-methyl-1H-pyrazol-5-yl)amino)methylene)malonate?

diethyl 2-(((1-methyl-1H-pyrazol-5-yl)amino)methylene)malonate has molecular formula C12H17N3O4 and molecular weight 267.28100 g/mol.

What are the upstream and downstream products of diethyl 2-(((1-methyl-1H-pyrazol-5-yl)amino)methylene)malonate?

For diethyl 2-(((1-methyl-1H-pyrazol-5-yl)amino)methylene)malonate, Upstream Products: 1-Methyl-1H-pyrazol-5-amine, Diethyl ethoxymethylenemalonate; Downstream Products: Ethyl 4-chloro-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate, 4-Chloro-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid.

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-(((1-methyl-1H-pyrazol-5-yl)amino)methylene)malonate (CAS 37799-77-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1086486-5 (accessed 2026-11-09).

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