methyl 1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-{[2,6-dichloro-4-(trifluoromethyl)phenyl]methylene}-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylate CAS 259175-30-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 259175-30-9 |
| Molecular Formula | C20H8Cl4F6N2O3 |
| Molecular Weight | 580.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
methyl 1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-{[2,6-dichloro-4-(trifluoromethyl)phenyl]methylene}-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylate (CAS 259175-30-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H8Cl4F6N2O3. Molecular weight: 580.09 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H8Cl4F6N2O3 |
| Molecular Weight | 580.09 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 4-Chloro-3-(5-methyl-3-((4-(2-(pyrrolidin-1-yl)ethoxy)phenyl)-amino)benzo[e][1,2,4]triazin-7-yl)phenyl benzoate (CAS 867331-82-6)
- Hexabutylditin (CAS 813-19-4)
- Tolvaptan Impurity 44 (CAS 2458812-61-6)
- Diethoxydimethylsilane (CAS 78-62-6)
- Orellanine (CAS 37338-80-0)
- Ethyl 6-amino-5-cyano-4-(3-fluorophenyl)-2-methyl-4H-pyran-3-carboxylate (CAS 332177-02-3)
- tert-butyl (3R)-3-(tert-butoxycarbonylamino)spiro[3H-benzofuran-2,4'-piperidine]-1'-carboxylate (CAS 2377357-02-1)
- 3-Cyclohexyl-5-(ethyl(methyl)amino)-1,6-dimethylpyrimidine-2,4(1H,3H)-dione (CAS 102613-25-2)
- Formoterol Impurity 97 (CAS CATO-C4X-152597)
- Protein Kinase C (19-36) Peptide (CAS 113731-96-7)
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