2-((4-Chlorophenyl)sulfonyl)-1,1-bis(4-fluorophenyl)ethanol CAS 303152-05-8
| CAS No. | 303152-05-8 |
| Molecular Formula | C20H15ClF2O3S |
| Molecular Weight | 408.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-((4-Chlorophenyl)sulfonyl)-1,1-bis(4-fluorophenyl)ethanol (C20H15ClF2O3S) contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 408.85 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 2-((4-Chlorophenyl)sulfonyl)-1,1-bis(4-fluorophenyl)ethanol (CAS 303152-05-8), a certified reference material (molecular formula C20H15ClF2O3S, MW 408.85 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-((4-Chlorophenyl)sulfonyl)-1,1-bis(4-fluorophenyl)ethanol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H15ClF2O3S |
| Molecular Weight | 408.85 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 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 1-(3-Chlorophenyl)-3-(3-cyano-1-(4-methoxybenzyl)-4,5-dimethyl-1H-pyrrol-2-yl)urea (CAS 866017-63-2)
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- (E)-{1-[3-(4-chlorophenyl)-1,2-oxazol-5-yl]ethylidene}amino 3-(trifluoromethyl)benzoate (CAS 478066-84-1)
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Recommended Standards
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- (2E)-1-{3-[(4-chlorobenzenesulfonyl)methyl]-4-nitrophenyl}-3-(dimethylamino)prop-2-en-1-one (CAS 303145-49-5)
- (4-Bromopyridin-2-yl)carbamic acid (CAS 1279205-05-8)
- Ethyl 1-((1-benzylpiperidin-4-yl)methyl)-1H-pyrazole-4-carboxylate (CAS 1380300-61-7)
- (2-(Pyridin-4-ylmethoxy)phenyl)methanamine (CAS 937600-67-4)
- 4-(Difluoromethyl)-6-hydroxy-2-iodonicotinaldehyde (CAS 1807005-40-8)
- 5-oxa-3,9,10-triazatricyclo[7.3.0.0²,⁶]dodeca-1(12),2(6),3,7,10-pentaene (CAS 2921559-90-0)
- 5-[(1E)-1-{2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]hydrazin-1-ylidene}ethyl]-3-(4-fluorophenyl)-2,1-benzoxazole (CAS 338772-44-4)
- 1-methyl-1H-pyrazole-4,5-diamine hydrochloride (CAS 1706445-37-5)
- (1-(2-(((5-Nitropyridin-2-yl)amino)methyl)phenyl)piperidin-4-yl)methanol (CAS 860610-89-5)
- 5-fluoro-6-methylpyridine-2-carbaldehyde (CAS 884495-34-5)
- Cyclopeptide-5 (CAS 197172-76-2)
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