2-Chloropyridine-5-boronic acid 6-chloropyridine-3-boronic acid 6-chloropyridin-3-yl-3-boronic acid 2-chloro-5-pyridylboronic acid 2-chloro-5-pyridineboronic acid 6-chloropyridin-3-ylboronic acid (6-chloropyridin-3-yl)boronic acid 2-chloro-pyridine-5-boronic acid 2-chloro-5-pyridyl boronic acid 444120-91-6 CAS 444120-91-6
| CAS No. | 444120-91-6 |
| Molecular Formula | C5H11BClNO2 |
| Molecular Weight | 163.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Chloropyridine-5-boronic acid 6-chloropyridine-3-boronic acid 6-chloropyridin-3-yl-3-boronic acid 2-chloro-5-pyridylboronic acid 2-chloro-5-pyridineboronic acid 6-chloropyridin-3-ylboronic acid (6-chloropyridin-3-yl)boronic acid 2-chloro-pyridine-5-boronic acid 2-chloro-5-pyridyl boronic acid 444120-91-6 (CAS 444120-91-6) is a high-purity analytical reference standard with the molecular formula C5H11BClNO2 and a molecular weight of 163.41 g/mol.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, 2-Chloropyridine-5-boronic acid 6-chloropyridine-3-boronic acid 6-chloropyridin-3-yl-3-boronic acid 2-chloro-5-pyridylboronic acid 2-chloro-5-pyridineboronic acid 6-chloropyridin-3-ylboronic acid (6-chloropyridin-3-yl)boronic acid 2-chloro-pyridine-5-boronic acid 2-chloro-5-pyridyl boronic acid 444120-91-6 is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 163.41 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 manufactures 2-Chloropyridine-5-boronic acid 6-chloropyridine-3-boronic acid 6-chloropyridin-3-yl-3-boronic acid 2-chloro-5-pyridylboronic acid 2-chloro-5-pyridineboronic acid 6-chloropyridin-3-ylboronic acid (6-chloropyridin-3-yl)boronic acid 2-chloro-pyridine-5-boronic acid 2-chloro-5-pyridyl boronic acid 444120-91-6 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 | C5H11BClNO2 |
| Molecular Weight | 163.41 g/mol |
| 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 | Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.5 |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloropyridine Standards
- 6-Chloropyridine-3,4-dicarbonitrile (CAS 1166799-46-7)
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Recommended Standards
- 73006-90-3 2,2,2-Trichloro(~15~N)acetamide DTXSID50745999 (CAS 73006-90-3)
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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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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com