3-(2,4-Dichloro-5-fluorophenyl)-1-(2-methoxyphenyl)-1H-pyrazole-5-carboxylic acid CAS 618383-00-9
| CAS No. | 618383-00-9 |
| Molecular Formula | C17H11Cl2FN2O3 |
| Molecular Weight | 381.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(2,4-Dichloro-5-fluorophenyl)-1-(2-methoxyphenyl)-1H-pyrazole-5-carboxylic acid is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-(2,4-Dichloro-5-fluorophenyl)-1-(2-methoxyphenyl)-1H-pyrazole-5-carboxylic acid (CAS 618383-00-9), molecular formula C17H11Cl2FN2O3 and molecular weight 381.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H11Cl2FN2O3, 3-(2,4-Dichloro-5-fluorophenyl)-1-(2-methoxyphenyl)-1H-pyrazole-5-carboxylic acid contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 381.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-(2,4-Dichloro-5-fluorophenyl)-1-(2-methoxyphenyl)-1H-pyrazole-5-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H11Cl2FN2O3 |
| Molecular Weight | 381.19 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 |
Related Dichloro Standards
- 3-(2,4-Dichloro-5-fluorophenyl)-1-(4-methoxyphenyl)-1H-pyrazole-5-carboxylic acid (CAS 618382-94-8)
- 4,6-dichloro-2-(methylthio)pyrimidine-5-carboxaldehyde 5-[3-(trifluoromethyl)phenyl]hydrazone (CAS 680217-26-9)
- (3,4-Dichloro-6-nitro-1H-indazol-1-yl)methyl phenylcarbamate (CAS 24240-46-8)
- 3,6-Dichloro-N-(4-methyl-3-nitrophenyl)benzo[b]thiophene-2-carboxamide (CAS 332157-37-6)
- 1,2-Dichloro-4-({3-[3-(trifluoromethyl)phenoxy]propyl}sulfanyl)benzene (CAS 1797376-66-9)
- 2,4-Dichloro-6-[[3-(Trifluoromethyl)Phenyl]Amino]Benzene-1,3,5-Tricarbonitrile (CAS 35728-02-0)
- 2-({[2,4-dichloro-5-(propan-2-yloxy)phenyl]carbamoyl}methanesulfinyl)-N-methylacetamide (CAS 341964-54-3)
- N-(2,4-dichloro-5-(2-methoxyethoxy)phenyl)-2-((2-(methylamino)-2-oxoethyl)thio)acetamide (CAS 341964-80-5)
Recommended Standards
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