Methyl 5-[(4-chlorophenyl)sulfanyl]-4-formyl-1-phenyl-1H-pyrazole-3-carboxylate CAS 449778-53-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 449778-53-4 |
| Molecular Formula | C18H13ClN2O3S |
| Molecular Weight | 372.83 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 5-[(4-chlorophenyl)sulfanyl]-4-formyl-1-phenyl-1H-pyrazole-3-carboxylate (CAS 449778-53-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H13ClN2O3S. Molecular weight: 372.83 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H13ClN2O3S |
| Molecular Weight | 372.83 g/mol |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 4-Cyano-3,5-difluorophenyl 4-pentyl-benzoate (CAS 123843-69-6)
- N-Hydroxyisobutyramide (CAS 22779-89-1)
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