2-Methoxy-4-(methylsulfonyl)pyridine CAS 1268520-81-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1268520-81-5 |
| Molecular Formula | C7H9NO3S |
| Molecular Weight | 187.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methoxy-4-(methylsulfonyl)pyridine (CAS 1268520-81-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H9NO3S. Molecular weight: 187.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H9NO3S |
| Molecular Weight | 187.22 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.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-[(4-methyl-1,3-thiazol-5-yl)methoxy]acetic acid (CAS 1265892-62-3)
- 2-Ethoxy-4-methylthiazole-5-carboxylic acid (CAS 1285588-73-9)
- 4-Methyl-5-(methylsulfonyl)pyrimidin-2-amine (CAS 1255147-35-3)
- 1-Methoxy-2,3-dihydro-1h-inden-2-amine (CAS 1118787-22-6)
- 4-Iodobenzo[c][1,2,5]thiadiazole (CAS 352018-95-2)
- 2-Methyl-6-morpholinonicotinaldehyde (CAS 1355225-98-7)
- (S)-4-(3-Bromo-4-(trifluoromethyl)phenyl)-1-(tert-butoxycarbonyl)piperazine-2-carboxylic acid 1787398-02-0 (CAS 1787398-02-0)
- 5-((5-Bromo-2-methoxybenzyl)thio)-1-methyl-1h-tetrazole (CAS 923864-44-2)
- 3-Cyanopyrazine-2-carboxylic acid (CAS 70546-26-8)
- Semaglutide impurity 197 (CAS CATO-C4X-2226197)
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