α-Hydroxy-2-pyridinemethanesulfonic acid CAS 3343-41-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3343-41-7 |
| Molecular Formula | C6H7NO4S |
| Molecular Weight | 189.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies α-Hydroxy-2-pyridinemethanesulfonic acid (CAS 3343-41-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H7NO4S. Molecular weight: 189.19 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H7NO4S |
| Molecular Weight | 189.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- 4-(2-Hydroxy-ethylamino)-[1,2,5]thiadiazole-3-carboxylic acid (CAS 135086-65-6)
- Hydroxy(pyridin-4-yl)methanesulfonic acid (CAS 4872-28-0)
- 2-Hydroxy-5-methyl-N-(prop-2-yn-1-yl)benzamide (CAS 1019128-10-9)
- 2-Hydroxy-3-methyl-N-(prop-2-yn-1-yl)benzamide (CAS 1019451-83-2)
- 6-hydroxy-2-(pyridin-2-yl)-1,4-dihydropyrimidin-4-one (CAS 10198-74-0)
- 4-Hydroxy-7-methoxy-2-methylquinoline (CAS 103624-90-4)
- 1-(2-Hydroxy-1-methyl-1H-indol-3-yl)ethanone (CAS 124043-91-0)
- N’-hydroxy-1-methyl-1H-indole-3-carboximidamide (CAS 125818-00-0)
Recommended Standards
- N-(4-Fluorophenyl)pyridin-2(1H)-one (CAS 60532-42-5)
- Vonoprazan Fumarate Impurity 3 (CAS 881674-56-2)
- N-(4-Fluorophenyl)pyrazin-2-amine (CAS 94920-78-2)
- 2-(Methyl(prop-2-yn-1-yl)amino)ethan-1-ol (CAS 13105-72-1)
- 2-{[(4-methoxyphenyl)methyl]sulfanyl}-9-methyl-4H-pyrido[1,2-a][1,3,5]triazin-4-one (CAS 306978-85-8)
- 2-Iodothiazole (CAS 3034-54-6)
- 1-Cyclopropoxy-4-(trifluoromethyl)benzene (CAS 1243397-72-9)
- 3,3,4,5-Tetrachlorobenzophenone (CAS 844885-32-1)
- 3,4,5-Trifluorophenylacetyl chloride (CAS 849623-76-3)
- Semaglutide impurity 50 (CAS 2773558-66-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com