2-Mercaptopyridin-3-ol
Also known as: 2(1H)-Pyridinethione,3-hydroxy-, 2-Mercapto-3-pyridinol, 3-Hydroxy-2-mercaptopyridine, 3-Hydroxypyridine-2-thiol, 3-Hydroxy-2(1H)-pyridinethione, 3-Hydroxypyridine-2(1H)-thione, 2-Mercapto-3-hydroxypyridine, 3-Hydroxy-1H-pyridine-2-thione, 2-Mercapto-pyridin-3-ol, NSC 283470
2-Mercaptopyridin-3-ol (CAS 23003-22-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5NOS and a molecular weight of 127.16400 g/mol. Key properties include a melting point of 144.00 - 146.00ºC, a boiling point of 235.9ºC at 760 mmHg, a density of 1.41 g/cm3 and a flash point of 96.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 23003-22-7
- Jingsj CID
- J-1430337-8
- Molecular Formula
- C5H5NOS
- Molecular Weight
- 127.16400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 144.00 - 146.00ºC |
|---|---|
| Boiling Point | 235.9ºC at 760 mmHg |
| Density | 1.41 g/cm3 |
| Flash Point | 96.5ºC |
| Exact Mass | 127.00900 |
| PSA | 71.92000 |
| LogP | 1.07590 |
| Vapor Pressure | 0.00884mmHg at 25°C |
| Refractive Index | 1.709 |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-Mercaptopyridin-3-ol?
The CAS number of 2-Mercaptopyridin-3-ol is 23003-22-7.
What are the molecular formula and molecular weight of 2-Mercaptopyridin-3-ol?
2-Mercaptopyridin-3-ol has molecular formula C5H5NOS and molecular weight 127.16400 g/mol.
What are the upstream and downstream products of 2-Mercaptopyridin-3-ol?
For 2-Mercaptopyridin-3-ol, Upstream Products: 2-bromo-3-pyridinol, 2,3-dihydroxypyridine.
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-Mercaptopyridin-3-ol (CAS 23003-22-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1430337-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.