(3-Chloro-4-(1H-pyrazol-1-yl)phenyl)boronic acid CAS 2225170-67-0
| CAS No. | 2225170-67-0 |
| Molecular Formula | C9H8BClN2O2 |
| Molecular Weight | 222.44 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.
(3-Chloro-4-(1H-pyrazol-1-yl)phenyl)boronic acid (CAS 2225170-67-0) is a high-purity analytical reference standard with the molecular formula C9H8BClN2O2 and a molecular weight of 222.44 g/mol.
Structurally, (3-Chloro-4-(1H-pyrazol-1-yl)phenyl)boronic acid (C9H8BClN2O2) 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 6.5, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 222.44 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures (3-Chloro-4-(1H-pyrazol-1-yl)phenyl)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 | C9H8BClN2O2 |
| Molecular Weight | 222.44 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 DMSO, DMF, methanol |
| 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) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- (2-Chloro-4-(1H-imidazol-1-yl)phenyl)boronic acid (CAS 2225180-94-7)
- (2-Chloro-4-(1H-pyrazol-1-yl)phenyl)boronic acid (CAS 2225180-95-8)
- (3-Chloro-4-(1H-imidazol-1-yl)phenyl)boronic acid (CAS 2225177-00-2)
- (4-Chloro-2-(1H-imidazol-1-yl)phenyl)boronic acid (CAS 2225173-55-5)
- (4-Chloro-2-(1H-pyrazol-1-yl)phenyl)boronic acid (CAS 2225155-80-4)
- (5-Chloro-2-(1H-imidazol-1-yl)phenyl)boronic acid (CAS 2225171-57-1)
- (5-Chloro-2-(1H-pyrazol-1-yl)phenyl)boronic acid (CAS 2225175-34-6)
- (5-Chloro-6-(1H-pyrrol-1-yl)pyridin-3-yl)boronic acid (CAS 2225177-87-5)
Recommended Standards
- (1-(4-Chlorophenyl)-1H-pyrazol-4-yl)boronic acid (CAS 2225169-87-7)
- 1-(2-Chlorophenyl)pyrazole-4-boronic acid (CAS 1072945-91-5)
- (1-(3-Chlorophenyl)-1H-pyrazol-4-yl)boronic acid (CAS 1072945-88-0)
- 4-Amino-3,5,6-trichloropicolinonitrile (CAS 14143-60-3)
- 2-methyl-1H,2H,3H,4H,5H-pyrido[4,3-b]indole-8-carboxylic acid hydrochloride (CAS 40431-45-6)
- [1-(2-Fluoroethyl)-1H-pyrazol-5-yl]methanol (CAS 1429417-57-1)
- Ethyl 4-methoxynicotinate (CAS 1214363-30-0)
- N-(3-methoxybenzyl)cyclopropanamine (CAS 625437-31-2)
- 1-((Tetrahydrothiophen-3-yl)amino)propan-2-ol (CAS 1153111-35-3)
- Dutasteride Impurity 14 (CAS CATO-C4X-110314)
- benzyl 3,3-dimethylpiperazine-1-carboxylate (CAS 885278-86-4)
- 5-Amino-N-(4-methoxyphenyl)-2-(piperidin-1-yl)benzene-1-sulfonamide (CAS 326034-12-2)
- 1-(3-Chloropropoxy)-4-fluorobenzene (CAS 1716-42-3)
- D-Lys16-Tirzepatide (CAS CATO-CPTD788918)
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