5-Chloro-2,3-dimethoxypyridine-4-boronic acid CAS 2096339-93-2
| CAS No. | 2096339-93-2 |
| Molecular Formula | C7H9BClNO4 |
| Molecular Weight | 217.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 217.41 g/mol gives 5-Chloro-2,3-dimethoxypyridine-4-boronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Chloro-2,3-dimethoxypyridine-4-boronic acid (CAS 2096339-93-2) is a high-purity analytical reference standard with the molecular formula C7H9BClNO4 and a molecular weight of 217.41 g/mol.
Structurally, 5-Chloro-2,3-dimethoxypyridine-4-boronic acid (C7H9BClNO4) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 217.41 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5-Chloro-2,3-dimethoxypyridine-4-boronic acid 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 | C7H9BClNO4 |
| Molecular Weight | 217.41 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Light-sensitive; avoid direct strong light; 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 | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 3-Chloro-2,6-dimethoxypyridin-4-ylboronic acid (CAS 2121512-94-3)
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- (4-Chloro-3-(dimethylamino)-2-fluorophenyl)boronic acid (CAS 943831-08-1)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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