2-Chloro-5-(methylsulfanyl)phenylboronic acid CAS 2377611-34-0
| CAS No. | 2377611-34-0 |
| Molecular Formula | C7H8BClO2S |
| Molecular Weight | 202.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Chloro-5-(methylsulfanyl)phenylboronic acid (CAS 2377611-34-0), molecular formula C7H8BClO2S and molecular weight 202.47 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H8BClO2S, 2-Chloro-5-(methylsulfanyl)phenylboronic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 202.47 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 2-Chloro-5-(methylsulfanyl)phenylboronic acid 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.
Physical & Chemical Properties
| Molecular Formula | C7H8BClO2S |
| Molecular Weight | 202.47 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 5-Chloro-3-(meththio)phenylboronic acid (CAS 1451392-52-1)
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- 3-Chloro-2-(methylsulfanyl)phenylboronic acid (CAS 2121513-12-8)
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