2-(4-Methoxy-3-(methylsulfonyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 918328-09-3
| CAS No. | 918328-09-3 |
| Molecular Formula | C14H21BO5S |
| Molecular Weight | 312.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(4-Methoxy-3-(methylsulfonyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 918328-09-3), molecular formula C14H21BO5S and molecular weight 312.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H21BO5S, 2-(4-Methoxy-3-(methylsulfonyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 312.19 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).
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 2-(4-Methoxy-3-(methylsulfonyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 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 | C14H21BO5S |
| Molecular Weight | 312.19 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 2-(2-Methoxy-5-(methylsulfonyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1496547-56-8)
- 2-(2-Methoxy-4-(methylsulfonyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1614246-31-9)
- 3-Methoxy-6-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridazine (CAS 1015480-95-1)
- 4-Methoxy-2-[3-(trifluoromethyl)phenoxy]pyridine-3-carboxamide (CAS 338956-45-9)
- 4-Methoxy-2,3,6a,9a-tetrahydrocyclopenta[c]furo[3',2':4,5]furo[2,3-h]chromene-1,11-dione (CAS 408530-29-0)
- 2-Methoxy-4-(3-(4-nitrophenyl)-1H-1,2,4-triazol-5-yl)phenol (CAS 1416345-56-6)
- 6-Methoxy-2-(2-nitrophenyl)quinoline-5,8-diol (CAS 61472-43-3)
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Recommended Standards
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- 2-(3-Chlorophenoxy)-5-methoxybenzoic acid (CAS 86456-12-4)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788694)
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