Sibopirdine

西波吡啶

Also known as: X 9121, EXP 921, 5,5-bis(pyridin-4-ylmethyl)-5H-cyclopenta[2,1-b:3,4-b']dipyridine, 8,8-bis(pyridin-4-ylmethyl)-3,13-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,5,10,12-hexaene

Sibopirdine (CAS 122955-18-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C23H18N4 and a molecular weight of 350.41600 g/mol. It is also known as X 9121, EXP 921 and 5,5-bis(pyridin-4-ylmethyl)-5H-cyclopenta[2,1-b:3,4-b']dipyridine. Key properties include a boiling point of 591.2ºC at 760 mmHg, a density of 1.268g/cm3 and a flash point of 265.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 122955-18-4
Jingsj CID: J-1494220-2
Molecular Formula: C₂₃H₁₈N₄
Chinese Name: 西波吡啶
Molecular Weight: 350.41600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	591.2ºC at 760 mmHg
Density	1.268g/cm3
Flash Point	265.4ºC

Frequently Asked Questions

What is the CAS number of Sibopirdine?

The CAS number of Sibopirdine is 122955-18-4.

What are the molecular formula and molecular weight of Sibopirdine?

Sibopirdine has molecular formula C23H18N4 and molecular weight 350.41600 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Sibopirdine (CAS 122955-18-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1494220-2 (accessed 2026-10-24).

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