Ethyl 5-methyl-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazine-6-carboxylate

5-甲基-4-氧代-3,4-二氢吡咯并[2,1-f][1,2,4]三嗪-6-羧酸乙酯

Also known as: Ethyl 5-methyl-4-oxo-1,4-dihydropyrrolo[2,1-f][1,2,4]triazine-6-carboxylate, Ethyl 4-hydroxy-5-methylpyrrolo[2,1-f][1,2,4]triazine-6-carboxylate, 5-Methyl-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazine-6-carboxylic acid ethyl ester, Pyrrolo[2,1-f][1,2,4]triazine-6-carboxylic acid, 3,4-dihydro-5-methyl-4-oxo-, ethyl ester, Ethyl 5-methyl-4-oxo-3,4-dihydropyrrolo[1,2-f][1,2,4]triazine-6-carboxylate

Ethyl 5-methyl-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazine-6-carboxylate (CAS 427878-70-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H11N3O3 and a molecular weight of 221.213 g/mol. It is also known as Ethyl 5-methyl-4-oxo-1,4-dihydropyrrolo[2,1-f][1,2,4]triazine-6-carboxylate, Ethyl 4-hydroxy-5-methylpyrrolo[2,1-f][1,2,4]triazine-6-carboxylate and 5-Methyl-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazine-6-carboxylic acid ethyl ester. Key properties include a boiling point of 400.9±47.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 196.3±29.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
427878-70-4
Jingsj CID
J-1153411-6
Molecular Formula
C10H11N3O3
Chinese Name
5-甲基-4-氧代-3,4-二氢吡咯并[2,1-f][1,2,4]三嗪-6-羧酸乙酯
Molecular Weight
221.213 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point400.9±47.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point196.3±29.3 °C

Frequently Asked Questions

What is the CAS number of Ethyl 5-methyl-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazine-6-carboxylate?

The CAS number of Ethyl 5-methyl-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazine-6-carboxylate is 427878-70-4.

What are the molecular formula and molecular weight of Ethyl 5-methyl-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazine-6-carboxylate?

Ethyl 5-methyl-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazine-6-carboxylate has molecular formula C10H11N3O3 and molecular weight 221.213 g/mol.

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

Last updated:

How to cite: Jingsj. "Ethyl 5-methyl-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazine-6-carboxylate (CAS 427878-70-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1153411-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.