1-(2-Chloro-benzyl)-3,5-dimethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole CAS 2246642-44-2
| CAS No. | 2246642-44-2 |
| Molecular Formula | C18H24BClN2O2 |
| Molecular Weight | 346.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-(2-Chloro-benzyl)-3,5-dimethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole 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.
CATO supplies 1-(2-Chloro-benzyl)-3,5-dimethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole (CAS 2246642-44-2), a certified reference material (molecular formula C18H24BClN2O2, MW 346.66 g/mol) for analytical method development and quality control.
Structurally, 1-(2-Chloro-benzyl)-3,5-dimethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole (C18H24BClN2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.5, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 346.66 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C18H24BClN2O2 |
| Molecular Weight | 346.66 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 1-(6-Chloro-5-(trifluoromethoxy)-1H-benzo[d]imidazol-2-yl)-1H-pyrazole-4-carboxylic acid (CAS 1193383-09-3)
- Methyl 3-chloro-1-methyl-6-oxo-5-(trifluoromethyl)-1,6-dihydro-[2,3-bipyridine]-5-carboxylate (CAS 1823182-25-7)
- Methyl 3-chloro-6-methoxy-5-(trifluoromethyl)-[2,3-bipyridine]-5-carboxylate (CAS 1823183-87-4)
- 3-Chloro-N-((4,5-dihydro-[3,5'-biisoxazol]-5-yl)methyl)-5-(trifluoromethyl)pyridin-2-amine (CAS 339098-60-1)
- 4-Chloro-5-(perfluoropropyl)-3-phenyl-1H-pyrazole (CAS 247220-85-5)
- 2-(4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)(methyl)amino)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)acetonitrile (CAS 860786-19-2)
- 2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-N-(5-fluoro-2-methylphenyl)acetamide (CAS 439107-80-9)
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Recommended Standards
- (E)-3-((4-chlorobenzyl)amino)-1-(2,5-dichlorothiophen-3-yl)prop-2-en-1-one (CAS 478245-96-4)
- 2-((2-Chlorophenyl)thio)-N-(2,4-dichlorophenyl)acetamide (CAS 339107-58-3)
- 1-(1-(2-Chlorophenyl)propyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1604037-07-1)
- 2-((3-Chlorophenyl)thio)-N-(2,4-dichlorophenyl)acetamide (CAS 400089-21-6)
- (S)-4,6-Dioxopiperidine-2-carboxylic acid (CAS 872521-99-8)
- 2-((5-(4-Chlorophenyl)-1H-imidazol-2-yl)thio)-N-(3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)acetamide (CAS 337354-66-2)
- 2',3',4',5',6'-Pentafluoro[1,1'-biphenyl]-4-carboxylic acid (CAS 29779-01-9)
- 2,2-Dimethyl-3-(4-oxocyclohexyl)propanoic acid (CAS 1158752-65-8)
- (S)-1-(3,5-Difluorophenyl)propan-1-amine hydrochloride (CAS 1212812-49-1)
- Phloroglucinol Impurity 74 (CAS CATO-C4X-221774)
- 3-Methyl-1-(naphthalene-1-carbonyl)-1h-1,2,4-triazol-5-amine (CAS 1333724-04-1)
- 1-Hexyl-2-(phenyl D5)-4-(1-naphthoyl)pyrroleJWH-147 D5 (CAS 1346605-27-3)
- 3-((4-Cyano-6-(trifluoromethyl)pyridin-2-yl)oxy)benzoic acid (CAS 2205037-12-1)
- Semaglutide Impurity 165 (CAS CATO-C4X-2226165)
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