| CAS No. | 1566400-39-2 |
| Molecular Formula | C9H11ClO3S |
| Molecular Weight | 234.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 234.70 g/mol gives [3-chloro-5-(ethanesulfonyl)phenyl]methanol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
[3-chloro-5-(ethanesulfonyl)phenyl]methanol (CAS 1566400-39-2) is a high-purity analytical reference standard with the molecular formula C9H11ClO3S and a molecular weight of 234.70 g/mol.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, [3-chloro-5-(ethanesulfonyl)phenyl]methanol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 234.70 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures [3-chloro-5-(ethanesulfonyl)phenyl]methanol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| 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.) | 1993 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |