2-(Methylsulfonyl)-4-nitrophenol CAS 208191-64-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 208191-64-4 |
| Molecular Formula | C7H7NO5S |
| Molecular Weight | 217.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(Methylsulfonyl)-4-nitrophenol (CAS 208191-64-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H7NO5S. Molecular weight: 217.20 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H7NO5S |
| Molecular Weight | 217.20 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2016 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylsulfonyl Standards
- 2-(Methylsulfonyl)-5-nitropyridin-4-amine (CAS 1415387-40-4)
- 2-(Methylsulfonyl)-5-nitrophenol (CAS 1820684-10-3)
- 5-(Methylsulfonyl)-2-nitrophenol (CAS 2637445-88-4)
- 4-Methyl-1-(3-(methylsulfonyl)propyl)-1h-pyrazol-3-amine (CAS 1342028-94-7)
- 1-Methyl-3-(2-(methylsulfonyl)propan-2-yl)-1h-pyrazol-5-amine (CAS 1343223-41-5)
- 3-(4-(Methylsulfonyl)piperazin-1-yl)propanenitrile (CAS 960243-34-9)
- ((Methylsulfonyl)methyl)(p-tolyl)sulfane (CAS 59662-68-9)
- 3-(Methylsulfonyl)propyl methanesulfonate (CAS 357913-53-2)
Recommended Standards
- 2-(Difluoromethyl)-5-(2-methylthiazol-5-yl)-1,3,4-oxadiazole (CAS 2653257-14-6)
- 2-[(3-methyl-4-nitro-1h-pyrazol-5-yl)sulfanyl]acetic acid (CAS 879565-31-8)
- 2-(4-Fluorophenyl)isonicotinic acid (CAS 883528-25-4)
- 7-Bromo-5-nitroisoquinoline (CAS 1368385-65-2)
- 9H-Fluorene-2,9-diamine (CAS 7148-37-0)
- 4-(Difluoromethyl)-3-iodo-2-methyl-5-(trifluoromethoxy)pyridine (CAS 1806162-63-9)
- 4-(6-Methylpyridin-3-yl)benzonitrile (CAS 1187170-20-2)
- Thifensulfuron (free acid) (CAS 79277-67-1)
- 2-(4-Acetylphenoxy)-N-methylacetamide (CAS 182686-81-3)
- Semaglutide impurity 47 (CAS CATO-C4X-222647)
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