2-ethynylpyridin-3-ol
2-乙炔基吡啶-3-醇
Also known as: 2-Ethynyl-3-pyridinol, 3-Pyridinol, 2-ethynyl-, 3-Pyridinol,2-ethynyl-(9CI)
2-ethynylpyridin-3-ol (CAS 142503-05-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5NO and a molecular weight of 119.12100 g/mol. It is also known as 2-Ethynyl-3-pyridinol, 3-Pyridinol, 2-ethynyl- and 3-Pyridinol,2-ethynyl-(9CI). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 142503-05-7
- Jingsj CID
- J-1085483-9
- Molecular Formula
- C7H5NO
- Chinese Name
- 2-乙炔基吡啶-3-醇
- Molecular Weight
- 119.12100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of 2-ethynylpyridin-3-ol?
The CAS number of 2-ethynylpyridin-3-ol is 142503-05-7.
What are the molecular formula and molecular weight of 2-ethynylpyridin-3-ol?
2-ethynylpyridin-3-ol has molecular formula C7H5NO and molecular weight 119.12100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-ethynylpyridin-3-ol (CAS 142503-05-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1085483-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.