1-(4-Chlorophenoxymethyl)-1h-pyrazole-5-carboxylic acid CAS 925200-01-7
| CAS No. | 925200-01-7 |
| Molecular Formula | C11H9ClN2O3 |
| Molecular Weight | 252.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(4-Chlorophenoxymethyl)-1h-pyrazole-5-carboxylic acid (CAS 925200-01-7), a certified reference material (molecular formula C11H9ClN2O3, MW 252.65 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H9ClN2O3, 1-(4-Chlorophenoxymethyl)-1h-pyrazole-5-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 252.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(4-Chlorophenoxymethyl)-1h-pyrazole-5-carboxylic 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 | C11H9ClN2O3 |
| Molecular Weight | 252.65 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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 methanol, ethanol, DMSO |
| 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenoxymethyl Standards
- 1-(3-Chlorophenoxymethyl)-1h-pyrazole-3-carboxylic acid (CAS 1004193-19-4)
- 1-(4-Chlorophenoxymethyl)-1h-pyrazole-3-carboxylic acid (CAS 1006348-48-6)
- 1-(2-Chlorophenoxymethyl)-1h-pyrazole-3-carboxylic acid (CAS 955963-51-6)
- 1-(2-Chlorophenoxymethyl)-1h-pyrazole-5-carboxylic acid (CAS 925606-83-3)
- 5-(2-Chlorophenoxymethyl)-4-methyl-4h-1,2,4-triazole-3-thiol (CAS 725221-36-3)
- [2-(2-chlorophenoxymethyl)phenyl]methanamine (CAS 951915-22-3)
- 2-(2-Chlorophenoxymethyl)-1h-1,3-benzodiazole (CAS 3384-30-3)
- 2-(4-Chlorophenoxymethyl)-1H-1,3-benzodiazole (CAS 3156-18-1)
Recommended Standards
- 1-(3-Chlorophenyl)-6-oxo-1,4,5,6-tetrahydropyridazine-3-carboxylic acid (CAS 893723-85-8)
- 1-(4-Chlorophenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid (CAS 54709-10-3)
- 1-(3-Chlorophenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid (CAS 55983-75-0)
- 1-(4-Chlorophenyl)-6-oxo-1,4,5,6-tetrahydropyridazine-3-carboxylic acid (CAS 926232-59-9)
- Potassium 4-methyl-beta-styryltrifluoroborate (CAS 219718-86-2)
- 2-(Difluoromethyl)-3-hydroxy-6-(trifluoromethyl)pyridine-5-carboxylic acid (CAS 1806947-14-7)
- 2,3-Dihydroxy-N1,N1,N4,N4-tetramethylsuccinamide (CAS 146330-79-2)
- Methyl N-(2,3-dihydro-1,4-benzodioxin-6-yl)-N-(phenylsulfonyl)glycinate (CAS 713112-11-9)
- 2,4,6-Tri-(4-fluorophenyl)pyrylium tetrafluoroborate (CAS 62497-19-2)
- 1-Bromo-3-(3-bromopropoxy)benzene (CAS 156450-01-0)
- 2-Methyl-3-(p-tolylthio)benzonitrile (CAS 887573-23-1)
- Tolvaptan Impurity 18 (CAS 2486-75-1)
- 3-Acetyl-1-(4-nitrobenzyl)pyridin-1-ium bromide (CAS 28120-02-7)
- Peptide Impurity 12 (CAS CATO-CPTD788812)
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