3-Chloro-4-fluoro-5-(2-methoxyethoxy)phenylboronic acid CAS 2096338-69-9
| CAS No. | 2096338-69-9 |
| Molecular Formula | C9H11BClFO4 |
| Molecular Weight | 248.44 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.
3-Chloro-4-fluoro-5-(2-methoxyethoxy)phenylboronic acid (CAS 2096338-69-9), molecular formula C9H11BClFO4 and molecular weight 248.44 g/mol, is a CATO reference standard with documented purity and traceability.
3-Chloro-4-fluoro-5-(2-methoxyethoxy)phenylboronic acid (C9H11BClFO4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 3-Chloro-4-fluoro-5-(2-methoxyethoxy)phenylboronic acid 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 | C9H11BClFO4 |
| Molecular Weight | 248.44 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) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 4-Chloro-2-fluoro-3-(2-methoxyethoxy)phenylboronic acid (CAS 1256346-26-5)
- (2-Chloro-4-(6-methylpyrazin-2-yl)phenyl)boronic acid (CAS 1648864-28-1)
- (4-Chloro-2-(m-tolyl)pyrimidin-5-yl)boronic acid (CAS 2225181-16-6)
- (4-Chloro-2-(o-tolyl)pyrimidin-5-yl)boronic acid (CAS 2225172-79-0)
- (4-Chloro-2-(p-tolyl)pyrimidin-5-yl)boronic acid (CAS 2225172-48-3)
- 2-Chloro-4-(phenoxy)phenylboronic acid (CAS 2121514-55-2)
- 3-Chloro-4-phenoxyphenylboronic acid (CAS 2095461-96-2)
- 3-chloro-2-iodo-thiophene (CAS 1502188-53-5)
Recommended Standards
- tert-Butyldimethyl(4-(prop-1-en-2-yl)phenoxy)silane (CAS 129181-43-7)
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- n-Hexyltriethoxysilane (CAS 18166-37-5)
- 3-Amino-1,1,1-trifluoro-4-methyl-2-pentanol (CAS 161787-73-1)
- Ethyl 6-cyanopyrazolo[1,5-a]pyridine-3-carboxylate (CAS 55899-34-8)
- (3-(Dimethylamino)propyl)carbamic acid (CAS 188309-01-5)
- 1-Bromo-2-(1-bromoethyl)benzene (CAS 62384-31-0)
- 3-(3-Aminopropoxy)-N-(2-((3-((4-chloro-2-hydroxyphenyl)carbamoyl)naphthalen-2-yl)oxy)ethyl)-2-naphthamide hydrochloride (CAS 1433286-70-4)
- Methyl 3,5-diethylbenzoate (CAS 288379-41-9)
- tert-Butyl 2-(thiophen-2-yl)piperidine-1-carboxylate (CAS 197247-39-5)
- 2,2,2-Trifluoro-1-(4-methoxyphenyl)ethanamine hydrochloride (CAS 65686-77-3)
- (6-Chloropyridin-3-yl)methylhydrazine (CAS 1057670-48-0)
- MLCK inhibitor peptide 18 (CAS 224579-74-2)
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