(4-Chloro-3-(methylcarbamoyl)phenyl)boronic acid CAS 871332-65-9
| CAS No. | 871332-65-9 |
| Molecular Formula | C8H9BClNO3 |
| Molecular Weight | 213.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4-Chloro-3-(methylcarbamoyl)phenyl)boronic acid (CAS 871332-65-9) is a high-purity analytical reference standard with the molecular formula C8H9BClNO3 and a molecular weight of 213.43 g/mol.
Structurally, (4-Chloro-3-(methylcarbamoyl)phenyl)boronic acid (C8H9BClNO3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 213.43 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (4-Chloro-3-(methylcarbamoyl)phenyl)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 | C8H9BClNO3 |
| Molecular Weight | 213.43 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 sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 2-Chloro-4-(methylcarbamoyl)phenylboronic acid (CAS 1451391-89-1)
- (2-Chloro-5-(methylcarbamoyl)phenyl)boronic acid (CAS 2096338-17-7)
- (3-Chloro-5-(methylcarbamoyl)phenyl)boronic acid (CAS 957120-51-3)
- 3-Chloro-4-(methylcarbamoyl)benzeneboronic acid (CAS 850589-39-8)
- 2-Chloro-1-(4,5-dichloro-1H-imidazol-2-yl)ethanone (CAS 76431-05-5)
- 5-Chloro-2-((dimethylamino)methyl)phenylboronic acid (CAS 1704066-75-0)
- (5-Chloro-6-isobutylpyridin-3-yl)boronic acid (CAS 2225174-08-1)
- 3-Chloro-2,4-dihydroxy-6-(trifluoromethyl)pyridine (CAS 1214383-67-1)
Recommended Standards
- Dihexyl(methyl)-lambda3-silane (CAS 1001-46-3)
- (2-(Allyloxy)-3-chloropyridin-4-yl)boronic acid (CAS 1987879-17-3)
- 2,4,6-Trichloro-5-(hydroxymethyl)pyrimidine (CAS 1260682-15-2)
- 2,5,6-Trichloro-3-methylpyrimidin-4(3H)-one (CAS 1821308-45-5)
- (R)-1-(3-Methylbenzyl)pyrrolidin-3-amine dihydrochloride (CAS 1349699-78-0)
- 3-(o-Tolyloxy)azetidine hydrochloride (CAS 1269054-46-7)
- 2,4-Diacetoxypentane (CAS 7371-86-0)
- (3-(Piperidin-1-ylmethyl)phenyl)(o-tolyl)methanone (CAS 898792-56-8)
- trans-4-(2-Trifluoromethylbenzoyl)-cyclohexane-1-carboxylic acid (CAS 1004529-52-5)
- 4-(1,3-Dioxolan-2-yl)-3-fluorobenzophenone (CAS 898760-12-8)
- 3-(((1-Ethyl-3-methyl-1H-pyrazol-5-yl)methyl)thio)propanoic acid (CAS 1170425-67-8)
- 2-methoxy-3,3-dimethylbutan-1-amine (CAS 1250143-83-9)
- 6-(Trifluoromethyl)pyridine-2-carboxylic Acid (CAS 131747-42-7)
- Autocamtide-2-Related Inhibitory Peptide TFA (CAS 167114-91-2（free base）)
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