2,5-Dichloropyridine-3-boronic Acid CAS 536693-97-7
| CAS No. | 536693-97-7 |
| Molecular Formula | C5H4BCl2NO2 |
| Molecular Weight | 191.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2,5-Dichloropyridine-3-boronic Acid (C5H4BCl2NO2) 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 191.81 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 2,5-Dichloropyridine-3-boronic Acid (CAS 536693-97-7), a certified reference material (molecular formula C5H4BCl2NO2, MW 191.81 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 2,5-Dichloropyridine-3-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 | C5H4BCl2NO2 |
| Molecular Weight | 191.81 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloropyridine Standards
- (4,6-Dichloropyridine-3yl)boronic acid (CAS 1070893-11-6)
- 5,6-Dichloropyridine-3-boronic Acid (CAS 1072944-15-0)
- 2,6-Dichloropyridine-4-boronic Acid (CAS 1072951-54-2)
- 3,5-Dichloropyridine-4-boronic acid (CAS 1469931-06-3)
- 2,6-Dichloropyridine-3-boronic Acid (CAS 148493-34-9)
- 2,3-Dichloropyridine-4-boronic Acid (CAS 951677-39-7)
- 2,5-Dichloropyridine-4-boronic acid (CAS 847664-64-6)
- 3,5-Dichloropyridine-4-carboxylic acid (CAS 13958-93-5)
Recommended Standards
- (2,4-Dichloropyridin-3-yl)boronic acid (CAS 2096335-34-9)
- Butylstannanone (CAS 51590-67-1)
- (4,6-Dichloropyridin-2-yl)boronic acid (CAS 1542213-23-9)
- Dibromofluoromethane (CAS 1868-53-7)
- 2-(4-Benzoylpiperazin-1-yl)-N-(1-cyanocyclopentyl)acetamide (CAS 852664-24-5)
- rel-(1R,2S)-3,3-Dimethylcyclopropane-1,2-dicarboxylic acid (CAS 936-87-8)
- 2,4-Dimethyl-4,5-dihydro-[3,4'-bipyridin]-6(1H)-one (CAS 89733-49-3)
- 2-(1-(2,4-Dichlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carbonyl)-N-ethylhydrazine-1-carbothioamide (CAS 242471-89-2)
- 4,4’-Methylenebis(2,6-dimethylphenol) (CAS 5384-21-4)
- 2-{[4-(propan-2-yl)phenyl]sulfanyl}ethanimidamide hydrochloride (CAS 1394675-94-5)
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