(5-Chloro-2-fluoro-4-methoxyphenyl)boronic acid CAS 1072952-18-1
| CAS No. | 1072952-18-1 |
| Molecular Formula | C7H7BClFO3 |
| Molecular Weight | 204.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (5-Chloro-2-fluoro-4-methoxyphenyl)boronic acid.
(5-Chloro-2-fluoro-4-methoxyphenyl)boronic acid (CAS 1072952-18-1), molecular formula C7H7BClFO3 and molecular weight 204.39 g/mol, is a CATO reference standard with documented purity and traceability.
(5-Chloro-2-fluoro-4-methoxyphenyl)boronic acid (C7H7BClFO3) 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. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H7BClFO3 |
| Molecular Weight | 204.39 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, water |
| 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.) | 1988 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- (2-Chloro-6-fluoro-3-methoxyphenyl)boronic acid (CAS 1072945-77-7)
- 2-Chloro-4-fluoro-5-methoxyphenylboronic Acid (CAS 1256355-46-0)
- 3-Chloro-4-fluoro-5-methoxyphenylboronic acid (CAS 1379466-82-6)
- (4-Chloro-5-fluoro-2-methoxyphenyl)boronic acid (CAS 1443379-11-0)
- (3-Chloro-5-fluoro-4-methoxyphenyl)boronic acid (CAS 1451392-04-3)
- 4-Chloro-2-fluoro-3-hydroxymethylphenylboronic acid (CAS 1451393-58-0)
- (4-Chloro-2-fluoro-5-methoxyphenyl)boronic acid (CAS 153122-60-2)
- (4-Chloro-2-fluoro-6-methoxyphenyl)boronic acid (CAS 1628684-10-5)
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