2H-[1,3]dioxolo[4,5-b]pyridine
[1,3]二氧杂环戊并[4,5-b]吡啶
Also known as: [1,3]dioxolo[4,5-b]pyridine, 1,3-dioxolo[4,5-b]pyridine, 2,3-methylenedioxypyridine, Pyrido[2,3-d][1,3]dioxole
2H-[1,3]dioxolo[4,5-b]pyridine (CAS 72138-73-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5NO2 and a molecular weight of 123.10900 g/mol. It is also known as [1,3]dioxolo[4,5-b]pyridine, 1,3-dioxolo[4,5-b]pyridine and 2,3-methylenedioxypyridine. Key properties include a boiling point of 207.427ºC at 760 mmHg, a density of 1.312g/cm3 and a flash point of 74.813ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 72138-73-9
- Jingsj CID
- J-1479647-8
- Molecular Formula
- C6H5NO2
- Chinese Name
- [1,3]二氧杂环戊并[4,5-b]吡啶
- Molecular Weight
- 123.10900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 207.427ºC at 760 mmHg |
|---|---|
| Density | 1.312g/cm3 |
| Flash Point | 74.813ºC |
Frequently Asked Questions
What is the CAS number of 2H-[1,3]dioxolo[4,5-b]pyridine?
The CAS number of 2H-[1,3]dioxolo[4,5-b]pyridine is 72138-73-9.
What are the molecular formula and molecular weight of 2H-[1,3]dioxolo[4,5-b]pyridine?
2H-[1,3]dioxolo[4,5-b]pyridine has molecular formula C6H5NO2 and molecular weight 123.10900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2H-[1,3]dioxolo[4,5-b]pyridine (CAS 72138-73-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1479647-8 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.