1-[1-(3,5-Dichlorophenyl)-5-(4-methanesulfonylphenyl)-2-methyl-1H-pyrrol-3-yl]-2,2,2-trifluoroethan-1-one CAS 478043-48-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478043-48-0 |
| Molecular Formula | C20H14Cl2F3NO3S |
| Molecular Weight | 476.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-[1-(3,5-Dichlorophenyl)-5-(4-methanesulfonylphenyl)-2-methyl-1H-pyrrol-3-yl]-2,2,2-trifluoroethan-1-one (CAS 478043-48-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H14Cl2F3NO3S. Molecular weight: 476.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H14Cl2F3NO3S |
| Molecular Weight | 476.30 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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- 1-(3,4-Dichlorophenyl)-3-(4-fluorophenyl)-5-(2,3,4-trimethoxyphenyl)-4,5-dihydro-1H-pyrazole (CAS 329778-82-7)
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Recommended Standards
- Cefazedone Impurity 2 (CAS 56187-36-1)
- 4-Hydroxy-N-(4-iodophenyl)-2-oxo-1-pentyl-1,2-dihydroquinoline-3-carboxamide (CAS 303093-31-4)
- Cefazedone impurity 18 (CAS CATO-C4X-117118)
- 11-(Aminooxy)undecyltriethoxysilane (CAS 870482-11-4)
- 2-(1H-Benzoimidazol-2-yl)-1-(4-nitro-phenyl)-ethanone (CAS 327091-99-6)
- 2,5-dibromo-3,4-dihydroxybenzaldehyde (CAS 70625-28-4)
- Ethyl 2-Amino-4-methyl-5-[(piperidin-1-yl)carbonyl]thiophene-3-carboxylate (CAS 297182-53-7)
- 2-Chloro-n-[1-(propan-2-yl)-1h-pyrazol-5-yl]acetamide (CAS 956949-81-8)
- Methyl 1-oxo-1,2,3,4-tetrahydroisoquinoline-3-carboxylate (CAS 23364-15-0)
- Semaglutide Impurity 125 xTFA Salt (CAS CATO-C4X-2226125)
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