2-Hydroxypyridine-3-sulfonic acid
2-羟基吡啶-3-磺酸
Also known as: 3-Pyridinesulfonic acid, 1,2-dihydro-2-oxo-, 2-Hydroxy-3-pyridinesulfonic acid, 2-oxo-1H-pyridine-3-sulfonic acid, 2-oxo-1,2-dihydropyridine-3-sulfonic acid
2-Hydroxypyridine-3-sulfonic acid (CAS 6684-45-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5NO4S and a molecular weight of 175.16200 g/mol. It is also known as 3-Pyridinesulfonic acid, 1,2-dihydro-2-oxo-, 2-Hydroxy-3-pyridinesulfonic acid and 2-oxo-1H-pyridine-3-sulfonic acid. Key property: a density of 1.71g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6684-45-3
- Jingsj CID
- J-1442452-2
- Molecular Formula
- C5H5NO4S
- Chinese Name
- 2-羟基吡啶-3-磺酸
- Molecular Weight
- 175.16200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.71g/cm3 |
|---|
Frequently Asked Questions
What is the CAS number of 2-Hydroxypyridine-3-sulfonic acid?
The CAS number of 2-Hydroxypyridine-3-sulfonic acid is 6684-45-3.
What are the molecular formula and molecular weight of 2-Hydroxypyridine-3-sulfonic acid?
2-Hydroxypyridine-3-sulfonic acid has molecular formula C5H5NO4S and molecular weight 175.16200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Hydroxypyridine-3-sulfonic acid (CAS 6684-45-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1442452-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.