2-Hydroxy-5-sulfopyridine-3-carboxylic acid
Also known as: 2-Hydroxy-5-sulfonicotinic acid, 2-oxo-5-sulfo-1H-pyridine-3-carboxylic acid, 3-Pyridinecarboxylic acid, 1,2-dihydro-2-oxo-5-sulfo-
2-Hydroxy-5-sulfopyridine-3-carboxylic acid (CAS 334708-05-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5NO6S and a molecular weight of 219.17200 g/mol. Key property: a melting point of 273ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 334708-05-3
- Jingsj CID
- J-1442115-9
- Molecular Formula
- C6H5NO6S
- Molecular Weight
- 219.17200 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 273ºC |
|---|---|
| Exact Mass | 218.98400 |
| PSA | 133.17000 |
| LogP | 0.81290 |
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-Hydroxy-5-sulfopyridine-3-carboxylic acid?
The CAS number of 2-Hydroxy-5-sulfopyridine-3-carboxylic acid is 334708-05-3.
What are the molecular formula and molecular weight of 2-Hydroxy-5-sulfopyridine-3-carboxylic acid?
2-Hydroxy-5-sulfopyridine-3-carboxylic acid has molecular formula C6H5NO6S and molecular weight 219.17200 g/mol.
What are the upstream and downstream products of 2-Hydroxy-5-sulfopyridine-3-carboxylic acid?
For 2-Hydroxy-5-sulfopyridine-3-carboxylic acid, Upstream Products: 2-Hydroxynicotinic acid; Downstream Products: 5-ethyl-1H-pyrazole-3-carboxylic acid.
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-Hydroxy-5-sulfopyridine-3-carboxylic acid (CAS 334708-05-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1442115-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.