2-(4-Fluorophenyl)-5-methyl-1-(4-(methylsulfonyl)phenyl)-1H-pyrrole CAS 189500-91-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 189500-91-2 |
| Molecular Formula | C18H16FNO2S |
| Molecular Weight | 329.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(4-Fluorophenyl)-5-methyl-1-(4-(methylsulfonyl)phenyl)-1H-pyrrole (CAS 189500-91-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H16FNO2S. Molecular weight: 329.39 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H16FNO2S |
| Molecular Weight | 329.39 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- (R)-2-((tert-Butoxycarbonyl)amino)-4-(naphthalen-1-yl)butanoic acid (CAS 188647-18-9)
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- (S)-2-((tert-Butoxycarbonyl)amino)-4-(naphthalen-1-yl)butanoic acid (CAS 188647-17-8)
- 3,4-Dihydroxymandelic acid (CAS 775-01-9)
- Ethyl 6-methyl-7-oxo-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-6,7-dihydro-1H-pyrrolo[2,3-c]pyridine-2-carboxylate (CAS 1628864-26-5)
- 1-Oxo-1-phenylbutan-2-yl 6-methyl-2-phenylquinoline-4-carboxylate (CAS 355429-72-0)
- 1-(2-(6-Methoxy-2-methylpyridin-3-yl)pyrrolidin-1-yl)ethanone (CAS 1352497-69-8)
- [6-(1-Methyl-1H-pyrazol-4-yl)pyridin-3-yl]methanamine (CAS 1610585-67-5)
- (5-Methoxy-1H-indol-2-yl)methanamine (CAS 130445-55-5)
- Semaglutide impurity 205 (CAS CATO-C4X-2226205)
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