![Molecular structure of 4-Methylene-3,4-dihydro-2H-pyrano[3,2-b]pyridine (CAS 405174-46-1)](/images/chem_structures_svg/130/405174-46-1.svg)
4-Methylene-3,4-dihydro-2H-pyrano[3,2-b]pyridine
Also known as: 2H-Pyrano[3,2-b]pyridine, 3,4-dihydro-4-methylene-, 2H-Pyrano[3,2-b]pyridine,3,4-dihydro-4-methylene-(9CI), 3,4-Dihydro-4-methylene-2H-pyrano[3,2-b]pyridine, 4-Methylene-3,4-dihydro-2H-pyrano[3,2-b]pyridine, 4-methylidene-2,3-dihydropyrano[3,2-b]pyridine, 4-methylidene-3,4-dihydro-2H-pyrano[3,2-b]pyridine
4-Methylene-3,4-dihydro-2H-pyrano[3,2-b]pyridine (CAS 405174-46-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9NO and a molecular weight of 147.17400 g/mol. Key properties include a boiling point of 260.77ºC at 760 mmHg, a density of 1.125g/cm3 and a flash point of 95.486ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 405174-46-1
- Jingsj CID
- J-1508270-9
- Molecular Formula
- C9H9NO
- Molecular Weight
- 147.17400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 260.77ºC at 760 mmHg |
|---|---|
| Density | 1.125g/cm3 |
| Flash Point | 95.486ºC |
| Exact Mass | 147.06800 |
| PSA | 22.12000 |
| LogP | 1.87730 |
| Refractive Index | 1.56 |
Frequently Asked Questions
What is the CAS number of 4-Methylene-3,4-dihydro-2H-pyrano[3,2-b]pyridine?
The CAS number of 4-Methylene-3,4-dihydro-2H-pyrano[3,2-b]pyridine is 405174-46-1.
What are the molecular formula and molecular weight of 4-Methylene-3,4-dihydro-2H-pyrano[3,2-b]pyridine?
4-Methylene-3,4-dihydro-2H-pyrano[3,2-b]pyridine has molecular formula C9H9NO and molecular weight 147.17400 g/mol.
What are the upstream and downstream products of 4-Methylene-3,4-dihydro-2H-pyrano[3,2-b]pyridine?
For 4-Methylene-3,4-dihydro-2H-pyrano[3,2-b]pyridine, Upstream Products: 2-bromo-3-(but-3-en-1-yloxy)pyridine, Tetraethylammonium chloride monohydrate, 2-bromo-3-pyridinol; Downstream Products: 2,3-Dihydro-4H-pyrano[3,2-b]pyridin-4-one, 4-Hydroxymethyl-3,4-dihydro-2H-pyrano[3,2-b]pyridin-4-ol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methylene-3,4-dihydro-2H-pyrano[3,2-b]pyridine (CAS 405174-46-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1508270-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.