5-(2,4-Dichlorophenoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde CAS 321848-48-0
| CAS No. | 321848-48-0 |
| Molecular Formula | C12H7Cl2F3N2O2 |
| Molecular Weight | 339.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(2,4-Dichlorophenoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde (CAS 321848-48-0), a certified reference material (molecular formula C12H7Cl2F3N2O2, MW 339.10 g/mol) for analytical method development and quality control.
Structurally, 5-(2,4-Dichlorophenoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde (C12H7Cl2F3N2O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 339.10 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 5-(2,4-Dichlorophenoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde 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 | C12H7Cl2F3N2O2 |
| Molecular Weight | 339.10 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 Dichlorophenoxy Standards
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Recommended Standards
- 4-(Morpholinosulfonyl)-2-trifluoromethylphenylboronic acid (CAS 2096332-30-6)
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- (4,5-Dichloro-1H-imidazol-1-yl)methyl 3-(trifluoromethyl)benzoate (CAS 650592-35-1)
- tert-Butyl N-(4,4,4-trifluoro-1-oxobutan-2-yl)carbamate (CAS 1056467-83-4)
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- Methyl 2,6-dibromo-4-(difluoromethoxy)phenylacetate (CAS 1804936-45-5)
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- 2-Chloro-n-(4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)acetamide (CAS 22455-51-2)
- n',n'-bis(cyclopropylmethyl)(tert-butoxy)carbohydrazide (CAS 905929-92-2)
- 1823187-92-3 5-chloro-4-(4-nitrophenoxy)-6-(trifluoromethyl)pyrimidine KS-000025TP (CAS 1823187-92-3)
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