Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one

吡咯并[2,1-f][1,2,4]三嗪-4(3H)-酮

Also known as: 3H-Pyrrolo[2,1-f][1,2,4]triazin-4-one, Pyrrolo[2,1-f][1,2,4]triazin-4(1H)-one, 1H,4H-pyrrolo[2,1-f][1,2,4]triazin-4-one, 3H,4H-pyrrolo[2,1-f][1,2,4]triazin-4-one, Pyrrolo[1,2-d][1,2,4]triazin-4(3H)-one, Pyrrolo[1,2-d][1,2,4]triazin-1(2H)-one, Pyrrolo[2,1-f][1,2,4]triazin-4-ol

Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one (CAS 159326-71-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H5N3O and a molecular weight of 135.123 g/mol. It is also known as 3H-Pyrrolo[2,1-f][1,2,4]triazin-4-one, Pyrrolo[2,1-f][1,2,4]triazin-4(1H)-one and 1H,4H-pyrrolo[2,1-f][1,2,4]triazin-4-one. Key properties include a boiling point of 318.1±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 146.2±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
159326-71-3
Jingsj CID
J-1512545-3
Molecular Formula
C6H5N3O
Chinese Name
吡咯并[2,1-f][1,2,4]三嗪-4(3H)-酮
Molecular Weight
135.123 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point318.1±25.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point146.2±23.2 °C

Frequently Asked Questions

What is the CAS number of Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one?

The CAS number of Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one is 159326-71-3.

What are the molecular formula and molecular weight of Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one?

Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one has molecular formula C6H5N3O and molecular weight 135.123 g/mol.

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

Last updated:

How to cite: Jingsj. "Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one (CAS 159326-71-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512545-3 (accessed 2026-10-25).

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