2-[4-(4-Chloro-2-fluorophenoxy)phenyl]-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane CAS 1426337-41-8
| CAS No. | 1426337-41-8 |
| Molecular Formula | C18H19BClFO3 |
| Molecular Weight | 348.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-[4-(4-Chloro-2-fluorophenoxy)phenyl]-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane (CAS 1426337-41-8), a certified reference material (molecular formula C18H19BClFO3, MW 348.60 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H19BClFO3, 2-[4-(4-Chloro-2-fluorophenoxy)phenyl]-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane contains a steroid core, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 348.60 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 2-[4-(4-Chloro-2-fluorophenoxy)phenyl]-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C18H19BClFO3 |
| Molecular Weight | 348.60 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F/Cl-containing |
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Recommended Standards
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- ((4-Methoxyphenyl){2-oxo-2-[(2-phenylethyl)amino]-ethyl}amino)acetic acid (CAS 1142204-32-7)
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