(2-Chloro-4-methoxy-5-(methoxycarbonyl)phenyl)boronic acid CAS 957066-07-8
| CAS No. | 957066-07-8 |
| Molecular Formula | C9H10BClO5 |
| Molecular Weight | 244.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 244.44 g/mol gives (2-Chloro-4-methoxy-5-(methoxycarbonyl)phenyl)boronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2-Chloro-4-methoxy-5-(methoxycarbonyl)phenyl)boronic acid (CAS 957066-07-8), molecular formula C9H10BClO5 and molecular weight 244.44 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H10BClO5, (2-Chloro-4-methoxy-5-(methoxycarbonyl)phenyl)boronic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 244.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-Chloro-4-methoxy-5-(methoxycarbonyl)phenyl)boronic 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 | C9H10BClO5 |
| Molecular Weight | 244.44 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- (4-Chloro-2-((tetrahydrofuran-3-yl)oxy)pyrimidin-5-yl)boronic acid (CAS 2225152-62-3)
- 2-Chloro-6-fluorobenzylzinc chloride (CAS 307531-98-2)
- (3-Chloro-4-(2-ethoxyethoxy)phenyl)boronic acid (CAS 279261-91-5)
- 2-Chloro-3-iodothiophene (CAS 60404-17-3)
- 2-Chloro-4-iodothiophene (CAS 60729-39-7)
- 2-Chloro-5-iodothiophene (CAS 28712-49-4)
- 3-Chloro-4,5-diethoxyphenylboronic acid (CAS 2096337-72-1)
- 3-Chloro-4-iodothiophene (CAS 2160743-90-6)
Recommended Standards
- S-Dodecyl Ethanethioate (CAS 10478-23-6)
- 2,3,4-Trichloro-1-fluoro-5-nitrobenzene (CAS 104455-89-2)
- 1,3-Dihexylthiourea (CAS 21071-28-3)
- Hexadecyl fluoride (CAS 408-38-8)
- 5-Methyl-2-phenyl-[1,3]oxazolo[5,4-b]pyridin-6-amine (CAS 2034156-85-7)
- 3-{[(9H-fluoren-9-ylmethoxy)carbonyl](2-methoxyethyl)amino}propanoic acid (CAS 1935218-02-2)
- Methyl 5-Fluoroindazole-6-carboxylate (CAS 1227270-38-3)
- Dabigatran Impurity 48 (CAS 1304574-20-6)
- Benzyl ethanimidothioate (CAS 59696-97-8)
- 3-Chloro-4-fluoro-3-(4-fluorophenyl)-propiophenone (CAS 898768-49-5)
- 4-Benzoylpyridine (CAS 14548-46-0)
- 1-(3-Methyl-2-phenylmorpholino)ethanone (CAS 92040-97-6)
- 5-(4-Chloro-2-fluorophenyl)pyrimidin-2-amine (CAS 1111111-97-7)
- T-Peptide (CAS 2022956-62-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com