(5-Amino-2-chlorophenyl)boronic acid CAS 958646-69-0
| CAS No. | 958646-69-0 |
| Molecular Formula | C6H7BClNO2 |
| Molecular Weight | 171.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(5-Amino-2-chlorophenyl)boronic acid (CAS 958646-69-0) is a high-purity analytical reference standard with the molecular formula C6H7BClNO2 and a molecular weight of 171.39 g/mol.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, (5-Amino-2-chlorophenyl)boronic acid is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 171.39 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 (5-Amino-2-chlorophenyl)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 | C6H7BClNO2 |
| Molecular Weight | 171.39 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 Amino Standards
- (2-Amino-5-chlorophenyl)boronic acid (CAS 1003042-41-8)
- (3-Amino-5-chlorophenyl)boronic acid (CAS 1186403-18-8)
- (2-Amino-4-chlorophenyl)boronic acid (CAS 948592-74-3)
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Recommended Standards
- (4-Chloro-5-methylpyridin-3-yl)boronic acid (CAS 2225172-64-3)
- (5-Chloro-4-methylpyridin-3-yl)boronic acid (CAS 2225172-97-2)
- 2-Chloro-3-methylpyridine-4-boronic acid (CAS 2096341-42-1)
- 2-Chloro-5-methylpyridine-3-boronic Acid (CAS 913835-86-6)
- 3-tert-Butyl-5-(chloromethyl)-4H-1,2,4-triazole (CAS 1416343-07-1)
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- CAS CATO-C3D-262723 (CAS CATO-C3D-262723)
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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
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com