3-(2,4-Dichlorophenyl)-1-(2,4-difluorophenyl)-1H-pyrazole-5-carboxylic acid CAS 618383-10-1
| CAS No. | 618383-10-1 |
| Molecular Formula | C16H8Cl2F2N2O2 |
| Molecular Weight | 369.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 369.15 g/mol gives 3-(2,4-Dichlorophenyl)-1-(2,4-difluorophenyl)-1H-pyrazole-5-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-(2,4-Dichlorophenyl)-1-(2,4-difluorophenyl)-1H-pyrazole-5-carboxylic acid (CAS 618383-10-1), a certified reference material (molecular formula C16H8Cl2F2N2O2, MW 369.15 g/mol) for analytical method development and quality control.
Structurally, 3-(2,4-Dichlorophenyl)-1-(2,4-difluorophenyl)-1H-pyrazole-5-carboxylic acid (C16H8Cl2F2N2O2) 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 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 369.15 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H8Cl2F2N2O2 |
| Molecular Weight | 369.15 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 3-(2,4-Dichloro-5-fluorophenyl)-1-(4-fluorophenyl)-1H-pyrazole-5-carboxylic acid (CAS 618382-93-7)
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- 2-(4-Bromophenyl)-5-(4-(trifluoromethyl)phenyl)-1,3,4-oxadiazole (CAS 821807-60-7)
- [(2R,3R,4S,5R,6R)-4,5-diacetoxy-6-bromo-2-(hydroxymethyl)tetrahydropyran-3-yl] acetate (CAS 13032-61-6)
- (5R)-5-azido-1-benzyl-3,3-difluoro-piperidine (CAS 1318129-26-8)
- 2-((4-Chlorophenyl)thio)-N-(2,3-dimethylphenyl)acetamide (CAS 197513-00-1)
- H-β-tBu-DL-Ala-OH (CAS 106247-35-2)
- Tricyclohexyl Borate (CAS 2467-16-5)
- 3-Difluoromethoxy-4-(trifluoromethyl)pyridine (CAS 1803824-24-9)
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- 2-(3-Methoxyphenyl)furan (CAS 35461-93-9)
- Lanthanum(III) hydroxide (CAS 14507-19-8)
- trans 2-Methyl-3-hexene (CAS 692-24-0)
- 3AEEA-Semaglutide(Endo-AEEA-Semaglutide) (CAS CATO-C4X-2226265)
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