1-[2,6-Dichloro-4-(fluoromethyl)phenyl]-3-methyl-1H-pyrazole-5-carboxylicacidethylester CAS 259243-71-5
| CAS No. | 259243-71-5 |
| Molecular Formula | C14H13Cl2FN2O2 |
| Molecular Weight | 331.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-[2,6-Dichloro-4-(fluoromethyl)phenyl]-3-methyl-1H-pyrazole-5-carboxylicacidethylester (CAS 259243-71-5), a certified reference material (molecular formula C14H13Cl2FN2O2, MW 331.17 g/mol) for analytical method development and quality control.
The molecular framework of 1-[2,6-Dichloro-4-(fluoromethyl)phenyl]-3-methyl-1H-pyrazole-5-carboxylicacidethylester (C14H13Cl2FN2O2) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
As a certified reference material (CRM), 1-[2,6-Dichloro-4-(fluoromethyl)phenyl]-3-methyl-1H-pyrazole-5-carboxylicacidethylester 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 | C14H13Cl2FN2O2 |
| Molecular Weight | 331.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichloro Standards
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- (Z)-5',6'-dichloro-[2,3'-biindolinylidene]-2',3-dione (CAS 667463-72-1)
- 2-(2,6-Dichloro-9-(tetrahydro-2H-pyran-2-yl)-9H-purin-8-yl)propan-2-ol (CAS 1382981-69-2)
- 2,5-Dichloro-N-(2-methylquinolin-8-yl)benzamide (CAS 61388-92-9)
- 2,4-Dichloro-6-[(3-Fluorophenyl)Amino]Benzene-1,3,5-Tricarbonitrile (CAS 35728-01-9)
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Recommended Standards
- 2-Chloro-4-formylphenyl 4-chlorobenzenesulfonate (CAS 19361-88-7)
- 2-(2,4-Difluorophenyl)-4,5,6,7-tetrafluoroisoindoline-1,3-dione (CAS 352017-52-8)
- 2-((4-Iodophenoxy)methyl)-4-methylthiazole (CAS 1541321-35-0)
- 2-(4-Bromophenyl)imidazo[1,2-a]pyridine-6-carbohydrazide (CAS 866137-87-3)
- 5-[2-(Benzyloxy)phenyl]indoline (CAS 893735-69-8)
- pyrrolo[2,1-f][1,2,4]triazine-6-carboxylic acid (CAS 1368354-47-5)
- 4-Fluoro-1H-indol-5-amine (CAS 1003858-66-9)
- 2-(5-Chloro-3-fluoropyridin-2-yl)acetic acid (CAS 1214323-94-0)
- 3-(4-chlorophenyl)-3'-trifluoromethylpropiophenone (CAS 898788-27-7)
- 1-Bromo-4-(bromomethyl)naphthalene (CAS 79996-99-9)
- 6-(Dimethylamino)-2,4-dimethylpyridin-3-ol (CAS 627098-02-6)
- N-Alpha-methyl-L-phenylalanine, HCl (CAS 2366-30-5)
- 10-(4-Chlorophenyl)-7-methyl-1,8,12-triazatricyclo[7.3.0.0^{2,6}]dodeca-2(6),7,9,11-tetraene (CAS 866018-11-3)
- Semaglutide impurity 70 (CAS CATO-C4X-222670)
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