Hydroxy(pyridin-4-yl)methanesulfonic acid CAS 4872-28-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4872-28-0 |
| Molecular Formula | C6H7NO4S |
| Molecular Weight | 189.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Hydroxy(pyridin-4-yl)methanesulfonic acid (CAS 4872-28-0) pharmaceutical standards reference standard. Molecular formula: C6H7NO4S. Molecular weight: 189.19 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
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.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- 4-(2-Hydroxy-ethylamino)-[1,2,5]thiadiazole-3-carboxylic acid (CAS 135086-65-6)
- α-Hydroxy-2-pyridinemethanesulfonic acid (CAS 3343-41-7)
- 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
- Dimethyl 2-thiocyanatomalonate (CAS 251577-80-7)
- Lanthionine Ketimine (CAS 83923-11-9)
- 6-Methoxypyrimidine-4-sulfonamide (CAS 82341-71-7)
- 3'-Fluoro-4'-methoxy-[1,1'-biphenyl]-4-amine (CAS 1048915-78-1)
- tert-Butyl 4-(2-(methylamino)-2-oxoethoxy)piperidine-1-carboxylate (CAS 1256483-64-3)
- 2-(6-Amino-5-cyano-4-(difluoromethyl)pyridin-3-yl)acetic acid (CAS 1805348-58-6)
- 5Bromo-3-phenoxypyrazin-2-amine (CAS 548793-12-0)
- 2-(3,4-Dimethylphenyl)-1H-indole-3-carbaldehyde (CAS 590391-01-8)
- Fluperolone Acetate (CAS 2119-75-7)
- Semaglutide Impurity 9 (CAS CATO-C4X-22269)
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