4-Chloropyridine-2-boronic Acid CAS 870459-91-9
| CAS No. | 870459-91-9 |
| Molecular Formula | C5H5BClNO2 |
| Molecular Weight | 157.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Chloropyridine-2-boronic Acid (C5H5BClNO2) 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 157.36 g/mol, it falls into the medium-molecular-weight range. 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).
4-Chloropyridine-2-boronic Acid (CAS 870459-91-9) is a high-purity analytical reference standard with the molecular formula C5H5BClNO2 and a molecular weight of 157.36 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-Chloropyridine-2-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 | C5H5BClNO2 |
| Molecular Weight | 157.36 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 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloropyridine Standards
- 2-Chloropyridine-3-boronic Acid (CAS 381248-04-0)
- 4-Chloropyridine-3-boronic acid, 97% (CAS 452972-10-0)
- 6-Chloropyridine-2-boronic Acid (CAS 652148-90-8)
- 3-Chloropyridine-2-carboxylic Acid (CAS 57266-69-0)
- 3-Chloropyridine-4-carboxylic Acid (CAS 88912-27-0)
- 3-Chloropyridine-4-carboxamide (CAS 100859-32-3)
- 5-Chloropyridine-2-carboxamide (CAS 370104-72-6)
- 6-Chloropyridine-2-carboxylic acid amide (CAS 7059-61-2)
Recommended Standards
- (3-Chloropyridin-4-yl)boronic acid (CAS 458532-98-4)
- 5-Chloro-2-pyridineboronic acid (CAS 652148-91-9)
- (3-Chloropyridin-2-yl)boronic acid (CAS 1448866-17-8)
- Di-tert-butyl(methyl)silane (CAS 56310-20-4)
- 4-Amino-6-fluorochroman-4-carboxylic acid (CAS 90477-46-6)
- (1S,3SR,5R,6S)-3-hydroxy-8-methyl-8-azabicyclo[3.2.1]octan-6-yl acetate (CAS CATO-C3D-262169)
- Calcium acetate Impurity 2 (CAS 51366-35-9)
- 2-(4-(Difluoromethyl)-5-iodo-6-(trifluoromethoxy)pyridin-2-yl)acetic acid (CAS 1804002-97-8)
- Tributylstannyl 2,2,2-trifluoroacetate (CAS 7299-28-7)
- 2-Hydroxy Trimipramine-d3 (CAS 1189647-53-7)
- 2-(1-(5-Nitrofuran-2-yl)propylidene)hydrazinecarboxamide (CAS 35889-34-0)
- 2-((3-Chlorophenyl)sulfonamido)acetamide (CAS 1225483-15-7)
- Ethyl 4-(phenylthio)butanoate (CAS 29193-72-4)
- Hexapeptide-9 (CAS 885024-94-2)
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