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2-ethynylpyridin-3-ol

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. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
142503-05-7
Jingsj CID
J-1085483-8
Molecular Formula
C7H5NO
Molecular Weight
119.12100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Exact Mass119.03700
PSA33.12000
LogP0.76850

Frequently 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.

What are the upstream and downstream products of 2-ethynylpyridin-3-ol?

For 2-ethynylpyridin-3-ol, Upstream Products: Furo[3,2-b]pyridine, n-Butyllithium, N,N-Dimethylformamide.

Data compiled from public chemical databases such as PubChem 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-1085483-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.