2-Ethoxy-5-methylbenzene-1-sulfonyl chloride CAS 187471-28-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 187471-28-9 |
| Molecular Formula | C9H11ClO3S |
| Molecular Weight | 234.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Ethoxy-5-methylbenzene-1-sulfonyl chloride (CAS 187471-28-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H11ClO3S. Molecular weight: 234.70 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H11ClO3S |
| Molecular Weight | 234.70 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2010 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Ethoxy Standards
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- 2-Ethoxy-4-methylbenzene-1-sulfonyl chloride (CAS 956722-60-4)
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Recommended Standards
- 2-[4-(4-chlorophenyl)-1,3-thiazol-2-yl]acetonitrile (CAS 17969-48-1)
- 2-[2-(4-Chlorophenyl)-1,3-thiazol-4-yl]acetonitrile (CAS 18832-93-4)
- 2-Methoxy-2-phenylethane-1-sulfonyl chloride (CAS 1785454-64-9)
- N'-[(1E)-[2-(2,6-Dimethylmorpholin-4-yl)-1,3-thiazol-5-yl]methylidene]-2-hydroxybenzohydrazide (CAS 477868-57-8)
- 3-(4-aminophenyl)-1-[(4-methylphenyl)methyl]urea hydrochloride (CAS 1803586-93-7)
- Ethyl 6-bromo-5-hydroxy-2-methylbenzofuran-3-carboxylate (CAS 7287-41-4)
- 5-Hydroxy-2-methylisoquinolin-1(2H)-one (CAS 42792-98-3)
- 1-(Benzyloxy)-2-phenyl-1H-1,3-benzodiazole (CAS 168209-86-7)
- 2-(2-Cyclopropylethyl)cyclopentan-1-ol (CAS 1538511-03-3)
- Des-Ser39-Tirzepatide (CAS CATO-CPTD788936)
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