(2-(1H-Pyrazol-1-yl)phenyl)boronic acid CAS 628692-18-2
| CAS No. | 628692-18-2 |
| Molecular Formula | C9H9BN2O2 |
| Molecular Weight | 187.99 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.
CATO supplies (2-(1H-Pyrazol-1-yl)phenyl)boronic acid (CAS 628692-18-2), a certified reference material (molecular formula C9H9BN2O2, MW 187.99 g/mol) for analytical method development and quality control.
Structurally, (2-(1H-Pyrazol-1-yl)phenyl)boronic acid (C9H9BN2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.5, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 187.99 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), (2-(1H-Pyrazol-1-yl)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 | C9H9BN2O2 |
| Molecular Weight | 187.99 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
Related H Standards
- (4-(1h-Pyrazol-3-yl)phenyl)boronic acid (CAS 1174304-73-4)
- (4-(1H-pyrazol-3-yl)phenyl)boronic acid (CAS 1226849-25-7)
- (3-(1H-pyrazol-5-yl)phenyl)boronic acid 1238377-35-9 SC-47769 (CAS 1238377-35-9)
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- 4-Pyrazol-1-yl-phenylboronic Acid (CAS 891270-35-2)
- 3-(1H-Pyrazol-4-yl)benzoic acid (CAS 1002535-21-8)
- 2-(1H-Pyrazol-4-yl)benzoic acid (CAS 1215918-49-2)
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