1H-Imidazo[4,5-c]pyridin-2(3H)-one

Also known as: 1,3-Dihydro-2H-imidazo[4,5-c]pyridin-2-one, 1,3-dihydroimidazo[4,5-c]pyridin-2-one, 2H-Imidazo[4,5-c]pyridin-2-one, 1,3-dihydro-, 5-Azobenzimidazolone

1H-Imidazo[4,5-c]pyridin-2(3H)-one (CAS 7397-68-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5N3O and a molecular weight of 135.123 g/mol. Key properties include a boiling point of 146.7±9.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 42.5±18.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 7397-68-4
Jingsj CID: J-1502900-2
Molecular Formula: C₆H₅N₃O
Molecular Weight: 135.123 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	146.7±9.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	42.5±18.7 °C
Exact Mass	135.043259
PSA	61.54000
LogP	0.16
Vapor Pressure	4.6±0.3 mmHg at 25°C
Refractive Index	1.596

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 1H-Imidazo[4,5-c]pyridin-2(3H)-one?

The CAS number of 1H-Imidazo[4,5-c]pyridin-2(3H)-one is 7397-68-4.

What are the molecular formula and molecular weight of 1H-Imidazo[4,5-c]pyridin-2(3H)-one?

1H-Imidazo[4,5-c]pyridin-2(3H)-one has molecular formula C6H5N3O and molecular weight 135.123 g/mol.

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. "1H-Imidazo[4,5-c]pyridin-2(3H)-one (CAS 7397-68-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1502900-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.