2-(1H-benzimidazol-2-ylamino)-6-methyl-4(3H)-pyrimidinone

2-(1H-苯并咪唑-2-基氨基)-6-甲基-4(3H)-嘧啶酮

Also known as: 2-(2-benzimidazolylamino)-6-methylpyrimidin-4(3H)-one, 2-((1H-benzo[d]imidazol-2-yl)amino)-6-methylpyrimidin-4-ol, 2-(1H-benzimidazol-2-ylamino)-6-methyl-1H-pyrimidin-4-one, 2-(1H-benzoimidazol-2-ylamino)-6-methyl-3H-pyrimidin-4-one, 2-(2-Benzimidazoleamino)-4-hydroxy-6-methylpyrimidine, 4(3H)-Pyrimidinone, 2-(1H-benzimidazol-2-ylamino)-6-methyl-

2-(1H-benzimidazol-2-ylamino)-6-methyl-4(3H)-pyrimidinone (CAS 42389-40-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H11N5O and a molecular weight of 241.24900 g/mol. It is also known as 2-(2-benzimidazolylamino)-6-methylpyrimidin-4(3H)-one, 2-((1H-benzo[d]imidazol-2-yl)amino)-6-methylpyrimidin-4-ol and 2-(1H-benzimidazol-2-ylamino)-6-methyl-1H-pyrimidin-4-one. Key properties include a boiling point of 521.5ºC at 760 mmHg, a density of 1.5g/cm3 and a flash point of 269.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
42389-40-2
Jingsj CID
J-847203-4
Molecular Formula
C12H11N5O
Chinese Name
2-(1H-苯并咪唑-2-基氨基)-6-甲基-4(3H)-嘧啶酮
Molecular Weight
241.24900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point521.5ºC at 760 mmHg
Density1.5g/cm3
Flash Point269.2ºC

Frequently Asked Questions

What is the CAS number of 2-(1H-benzimidazol-2-ylamino)-6-methyl-4(3H)-pyrimidinone?

The CAS number of 2-(1H-benzimidazol-2-ylamino)-6-methyl-4(3H)-pyrimidinone is 42389-40-2.

What are the molecular formula and molecular weight of 2-(1H-benzimidazol-2-ylamino)-6-methyl-4(3H)-pyrimidinone?

2-(1H-benzimidazol-2-ylamino)-6-methyl-4(3H)-pyrimidinone has molecular formula C12H11N5O and molecular weight 241.24900 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(1H-benzimidazol-2-ylamino)-6-methyl-4(3H)-pyrimidinone (CAS 42389-40-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-847203-4 (accessed 2026-10-24).

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