Furo[3,2-b]pyridine 4-oxide

呋喃并[3,2-b]吡啶4-氧化物

Also known as: 4-oxidofuro[3,2-b]pyridin-4-ium, Furo[3,2-b]pyridine,4-oxide(9CI), Ripretinib Impurity 43, Furo[3,2-b]pyridine 4-oxide

Furo[3,2-b]pyridine 4-oxide (CAS 181526-18-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5NO2 and a molecular weight of 135.12000 g/mol. It is also known as 4-oxidofuro[3,2-b]pyridin-4-ium, Furo[3,2-b]pyridine,4-oxide(9CI) and Ripretinib Impurity 43. Key properties include a boiling point of 251.338ºC at 760 mmHg, a density of 1.317g/cm3 and a flash point of 105.806ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
181526-18-1
Jingsj CID
J-1509174-7
Molecular Formula
C7H5NO2
Chinese Name
呋喃并[3,2-b]吡啶4-氧化物
Molecular Weight
135.12000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point251.338ºC at 760 mmHg
Density1.317g/cm3
Flash Point105.806ºC

Frequently Asked Questions

What is the CAS number of Furo[3,2-b]pyridine 4-oxide?

The CAS number of Furo[3,2-b]pyridine 4-oxide is 181526-18-1.

What are the molecular formula and molecular weight of Furo[3,2-b]pyridine 4-oxide?

Furo[3,2-b]pyridine 4-oxide has molecular formula C7H5NO2 and molecular weight 135.12000 g/mol.

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

Last updated:

How to cite: Jingsj. "Furo[3,2-b]pyridine 4-oxide (CAS 181526-18-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1509174-7 (accessed 2026-10-22).

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