Carvedilol Impurity B

卡维地洛杂质B

Also known as: Carvedilol Bis-carbazole, Carvedilol Related Compound B, Carvedilol USP Related Compound B, Carvedilol EP Impurity B, 3,3'-[2-(2-Methoxyphenoxy)ethylazanediyl]bis[1-(9H-carbazol-4-yloxy)propan-2-ol], 1-(9H-carbazol-4-yloxy)-3-[[3-(9H-carbazol-4-yloxy)-2-hydroxypropyl]-[2-(2-methoxyphenoxy)ethyl]amino]propan-2-ol, UNII-56RX0K2UL0

Carvedilol Impurity B (CAS 918903-20-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C39H39N3O6 and a molecular weight of 645.74300 g/mol. It is also known as Carvedilol Bis-carbazole, Carvedilol Related Compound B and Carvedilol USP Related Compound B. Key properties include a boiling point of 905.6ºC at 760 mmHg, a density of 1.328g/cm3 and a flash point of 501.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 918903-20-5
Jingsj CID: J-1046415-1
Molecular Formula: C₃₉H₃₉N₃O₆
Chinese Name: 卡维地洛杂质B
Molecular Weight: 645.74300 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	905.6ºC at 760 mmHg
Density	1.328g/cm3
Flash Point	501.5ºC

GHS Safety & Compliance

Environmental Hazard

Frequently Asked Questions

What is the CAS number of Carvedilol Impurity B?

The CAS number of Carvedilol Impurity B is 918903-20-5.

What are the molecular formula and molecular weight of Carvedilol Impurity B?

Carvedilol Impurity B has molecular formula C39H39N3O6 and molecular weight 645.74300 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. "Carvedilol Impurity B (CAS 918903-20-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1046415-1 (accessed 2026-10-22).

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