4-Sulfamoylpyridin-1-ium-1-olate CAS 75903-65-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 75903-65-0 |
| Molecular Formula | C5H6N2O3S |
| Molecular Weight | 174.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Sulfamoylpyridin-1-ium-1-olate (CAS 75903-65-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H6N2O3S. Molecular weight: 174.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H6N2O3S |
| Molecular Weight | 174.18 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 |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Sulfamoylpyridin Standards
- (5-Sulfamoylpyridin-3-yl)boronic acid (CAS 951233-61-7)
- 5-Methyl-1-(5-sulfamoylpyridin-2-yl)-1H-pyrazole-3-carboxylic acid (CAS 1006908-03-7)
- Methyl 3-((3-sulfamoylpyridin-2-yl)amino)benzoate (CAS 1340953-18-5)
- Methyl 4-((3-sulfamoylpyridin-2-yl)amino)benzoate (CAS 1774900-81-0)
- Ethyl 3-((3-sulfamoylpyridin-2-yl)amino)benzoate (CAS 1251675-80-5)
- Ethyl 4-((3-sulfamoylpyridin-2-yl)amino)benzoate (CAS 1340852-04-1)
Recommended Standards
- 4-Hydroxy-3-Pyridinesulfonamide (CAS 758699-17-1)
- 5-Aminopyridine-3-sulfonic acid (CAS 62009-35-2)
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- 3-((5-Imino-4,5-dihydro-1,3,4-thiadiazol-2-yl)thio)-N-phenylpropanamide (CAS 774551-96-1)
- pyrazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 933754-38-2)
- 2-Chloro-5-fluoro-4-isobutoxypyrimidine (CAS 1510352-42-7)
- N-[3-(aminomethyl)pyrazin-2-yl]-N-methylmethanesulfonamide (CAS 1073159-67-7)
- 1,3,6,8-Tetraethynyl-9H-carbazole (CAS 2415951-75-4)
- 1,1',1''-((2,4,6-Trimethylbenzene-1,3,5-triyl)tris(methylene))tris(4-cyanopyridin-1-ium)bromide (CAS 247095-17-6)
- Semaglutide Impurity 161 (x TFA Salt) (CAS CATO-C4X-2226161)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com