2-Methyl-4-(pyrazol-1-yl)phenylboronic acid CAS 858523-47-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 858523-47-4 |
| Molecular Formula | C10H11BN2O2 |
| Molecular Weight | 202.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methyl-4-(pyrazol-1-yl)phenylboronic acid (CAS 858523-47-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H11BN2O2. Molecular weight: 202.02 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H11BN2O2 |
| Molecular Weight | 202.02 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.) | 1987 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- [4-(3-Methylpyrazol-1-yl)phenyl]boronic acid (CAS 2225172-13-2)
- 1 - Benzyl - 1H - pyrazole - 4 - boronic acid 1-(phenylmethyl)-1h-pyrazole-4-boronic acid, 1-benzyl-4-borono-1h-pyrazole 1-Benzyl-4-1H-pyrazoleboronic acid 1-benzyl-1H-pyrazol-4-ylboronic acid 1-benzyl-1h-pyrazol-4-boronic acid 1-benzyl-1h-pyrazole-4-boronic acid 1h-pyrazole-1-benzyl-4-boronic acid 1h-pyrazole-benzyl-4-boronic acid 852362-22-2 akos brn-0254 boronic acid, [1-(phenylmethyl)-1H-pyrazol-4-yl]- (CAS 852362-22-2)
- (4-(1H-imidazol-1-yl)-2-methylphenyl)boronic acid (CAS 2225169-72-0)
- 7-Cyanobenzo[d]oxazole-2-carboxylic acid (CAS 944898-70-8)
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- tert-Butyl 6-benzyl-8-cyano-2,6-diazaspiro[3.4]octane-2-carboxylate (CAS 1823261-86-4)
- Tolvaptan Impurity 11 (CAS 137977-97-0)
- Tirzepatide Impurity 15 (CAS CATO-C4X-324015)
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