4-Chloro-3-cyanophenylboronic Acid CAS 871332-95-5
| CAS No. | 871332-95-5 |
| Molecular Formula | C7H5BClNO2 |
| Molecular Weight | 181.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 4-Chloro-3-cyanophenylboronic Acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 181.38 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 4-Chloro-3-cyanophenylboronic Acid (CAS 871332-95-5), a certified reference material (molecular formula C7H5BClNO2, MW 181.38 g/mol) for analytical method development and quality control.
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-Chloro-3-cyanophenylboronic 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 | C7H5BClNO2 |
| Molecular Weight | 181.38 g/mol |
| Appearance | Off-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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- (3-Chloro-4-cyanophenyl)boronic acid (CAS 1008415-02-8)
- 5-Chloro-2-cyanophenylboronic Acid (CAS 1072946-52-1)
- 3-Chloro-2-cyanobenzeneboronic acid, 97% (CAS 1217500-67-8)
- (2-Chloro-3-cyanophenyl)boronic acid (CAS 2172654-66-7)
- (2-Chloro-4-cyanophenyl)boronic Acid (CAS 677743-50-9)
- 2-Chloro-5-cyanophenylboronic Acid (CAS 936249-33-1)
- 3-Chloro-5-cyanophenylboronic Acid (CAS 915763-60-9)
- 4-Chloro-2-cyanophenylboronic acid (CAS 819070-53-6)
Recommended Standards
- 7-Chloro-1H-benzo[d][1,2,6]oxazaborinin-1-ol (CAS 2759952-32-2)
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- (6-Chloro-2-fluoropyridin-3-yl)boronic acid (CAS 1256345-66-0)
- (5-chloro-6-fluoropyridin-3-yl)boronic acid (CAS 1366482-32-7)
- 2-Chlorocyclohexane-1,3-dione (CAS 932-23-0)
- 2-(Imidazo[1,2-b][1,2,4]triazin-7-yl)propan-2-ol (CAS 425379-11-9)
- Ethyl 3,5-dimethyl-4-nitro-1H-pyrrole-2-carboxylate (CAS 5463-44-5)
- 2-Fluorenecarboxylic Acid (CAS 7507-40-6)
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- 4-(Ethylsulfonyl)-N1-isopropylbenzene-1,2-diamine (CAS 1392211-20-9)
- AEBSF HCl (CAS 30827-99-7)
- 2-(1,1-Dioxo-2,3-dihydro-1H-1lambda*6*-thiophen-3-ylamino)-3-methyl-butyric acid (CAS 1396964-43-4)
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- Semaglutide impurity 76 (CAS CATO-C4X-222676)
Why CATO?
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