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5-Acetyl-1,3-dihydro-2H-benzimidazol-2-one

5-乙酰基-1,3-二氢-2H-苯并咪唑-2-酮

Also known as: 5-Acetyl-2-benzimidazolinone, 5-Acetyl-1,3-dihydro-2H-benzo[d]imidazol-2-one, 5-Acetylbenzimidazol-2(3H)-one, 5-Acetyl-1H-benzo[d]imidazol-2(3H)-one, 2H-Benzimidazol-2-one, 5-acetyl-1,3-dihydro-

5-Acetyl-1,3-dihydro-2H-benzimidazol-2-one (CAS 39513-27-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8N2O2 and a molecular weight of 176.17200 g/mol. It is also known as 5-Acetyl-2-benzimidazolinone, 5-Acetyl-1,3-dihydro-2H-benzo[d]imidazol-2-one and 5-Acetylbenzimidazol-2(3H)-one. Key properties include a boiling point of 218.103ºC at 760 mmHg, a density of 1.271g/cm3 and a flash point of 87.593ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
39513-27-4
Jingsj CID
J-1133644-2
Molecular Formula
C9H8N2O2
Chinese Name
5-乙酰基-1,3-二氢-2H-苯并咪唑-2-酮
Molecular Weight
176.17200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point218.103ºC at 760 mmHg
Density1.271g/cm3
Flash Point87.593ºC

Frequently Asked Questions

What is the CAS number of 5-Acetyl-1,3-dihydro-2H-benzimidazol-2-one?

The CAS number of 5-Acetyl-1,3-dihydro-2H-benzimidazol-2-one is 39513-27-4.

What are the molecular formula and molecular weight of 5-Acetyl-1,3-dihydro-2H-benzimidazol-2-one?

5-Acetyl-1,3-dihydro-2H-benzimidazol-2-one has molecular formula C9H8N2O2 and molecular weight 176.17200 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Acetyl-1,3-dihydro-2H-benzimidazol-2-one (CAS 39513-27-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1133644-2 (accessed 2026-10-24).

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