1-(2-Chloro-3-methyl-4-(methylsulfonyl)phenyl)ethanone CAS 181997-72-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 181997-72-8 |
| Molecular Formula | C10H11ClO3S |
| Molecular Weight | 246.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(2-Chloro-3-methyl-4-(methylsulfonyl)phenyl)ethanone (CAS 181997-72-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H11ClO3S. Molecular weight: 246.71 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H11ClO3S |
| Molecular Weight | 246.71 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-Amino-1-(3-chloro-4-fluorophenyl)-1<I>H</I>-pyrazole-4-carbonitrile (CAS 175135-53-2)
- (Z)-[amino(thiophen-2-yl)methylidene]amino 4-chlorobutanoate (CAS 19580-41-7)
- 2-chloro-2-(ethanesulfonyl)-1-phenylethan-1-one (CAS 1708371-53-2)
- 4-(Benzyloxy)-2-bromobenzonitrile (CAS 1044067-64-2)
- 1-(4-Fluorophenyl)piperidine-2-carboxylic acid (CAS 1504689-74-0)
- 1-(2-Chlorobenzyl)-1h-indole (CAS 677013-22-8)
- 2-(Chloromethyl)-3-fluoropyridine (CAS 149489-32-7)
- 4-[3-(Trifluoromethyl)-3H-diazirin-3-yl]benzenemethanamine (CAS 400781-05-7)
- 2-(5-Isopropyl-4,4-dimethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)benzonitrile (CAS 883899-03-4)
- Semaglutide Impurity 75 (CAS CATO-C4X-2226175)
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