4,5-Diazafluorene

4,5-二氮杂芴

Also known as: 5H-cyclopenta[2,1-b:3,4-b']dipyridine, 3,13-diazatricyclo[7.4.0.02,7]trideca-1(13),2,4,6,9,11-hexaene, 4,5-Diaza-9H-fluorene

4,5-Diazafluorene (CAS 245-37-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C11H8N2 and a molecular weight of 168.19500 g/mol. It is also known as 5H-cyclopenta[2,1-b:3,4-b']dipyridine, 3,13-diazatricyclo[7.4.0.02,7]trideca-1(13),2,4,6,9,11-hexaene and 4,5-Diaza-9H-fluorene. Key properties include a melting point of 172 °C, a boiling point of 358.0±22.0 °C (760 mmHg, 计算值) and a density of 1.247±0.06 g/cm3 (计算值). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
245-37-4
Jingsj CID
J-1527687-6
Molecular Formula
C11H8N2
Chinese Name
4,5-二氮杂芴
Molecular Weight
168.19500 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point172 °C
Boiling Point358.0±22.0 °C (760 mmHg, 计算值)
Density1.247±0.06 g/cm3 (计算值)

Frequently Asked Questions

What is the CAS number of 4,5-Diazafluorene?

The CAS number of 4,5-Diazafluorene is 245-37-4.

What are the molecular formula and molecular weight of 4,5-Diazafluorene?

4,5-Diazafluorene has molecular formula C11H8N2 and molecular weight 168.19500 g/mol.

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

Last updated:

How to cite: Jingsj. "4,5-Diazafluorene (CAS 245-37-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1527687-6 (accessed 2026-10-25).

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