1,1-Bis(4-chlorophenyl)-2-(2,6-dichlorobenzenesulfinyl)ethan-1-ol CAS 303152-36-5
| CAS No. | 303152-36-5 |
| Molecular Formula | C20H14Cl4O2S |
| Molecular Weight | 460.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1,1-Bis(4-chlorophenyl)-2-(2,6-dichlorobenzenesulfinyl)ethan-1-ol is closely related to a steroid core, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1,1-Bis(4-chlorophenyl)-2-(2,6-dichlorobenzenesulfinyl)ethan-1-ol (CAS 303152-36-5), molecular formula C20H14Cl4O2S and molecular weight 460.20 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H14Cl4O2S, 1,1-Bis(4-chlorophenyl)-2-(2,6-dichlorobenzenesulfinyl)ethan-1-ol contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 460.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1,1-Bis(4-chlorophenyl)-2-(2,6-dichlorobenzenesulfinyl)ethan-1-ol 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 | C20H14Cl4O2S |
| Molecular Weight | 460.20 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Bis Standards
- 1,1-Bis(4-chlorophenyl)-2-(3,4-dichlorobenzenesulfinyl)ethan-1-ol (CAS 303152-33-2)
- (E)-[(4-Chlorophenyl)methoxy]({5-[(4-chlorophenyl)sulfanyl]-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl}methylidene)amine (CAS 321533-78-2)
- 3-(2-Chlorophenyl)-5-methyl-N-(4-(6-methylbenzo[d]thiazol-2-yl)phenyl)isoxazole-4-carboxamide (CAS 349613-51-0)
- 3-(2-Chlorophenyl)-N-((3,4-dimethoxyphenethyl)carbamothioyl)-5-methylisoxazole-4-carboxamide (CAS 883031-66-1)
- 3-(4-Chlorophenyl)-4-(p-tolyl)-5-((3-(trifluoromethyl)benzyl)thio)-4H-1,2,4-triazole (CAS 477330-96-4)
- 3-((3-Chlorophenyl)sulfonyl)-6,7-difluoro-1-(4-methylbenzyl)quinolin-4(1H)-one (CAS 1326901-66-9)
- 3-(4-Chlorophenyl)-4-oxo-N-(4-(trifluoromethoxy)phenyl)-3,4-dihydrophthalazine-1-carboxamide (CAS 320417-62-7)
- 4-(4-(2-Chlorophenyl)thiazol-2-yl)-N-(2,4-dichlorophenyl)benzamide (CAS 338396-98-8)
Recommended Standards
- 3-Chloro-2-((1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-1,2,4-triazol-3-yl)thio)-5-(trifluoromethyl)pyridine (CAS 251307-13-8)
- 8-(4-Bromophenyl)-2,4-bis(trifluoromethyl)imidazo[1,2-a]1,8-naphthyridine (CAS 439093-95-5)
- 6,6,7,7,8,8,9,9,10,10,11,11,11-Tridecafluoroundecyl acrylate (CAS 1000339-61-6)
- 2-[5,7-Bis(trifluoromethyl)-1,8-naphthyridin-2-yl]-2-(4-bromophenyl)acetonitrile (CAS 478043-29-7)
- 1-Cyclopropoxy-2-isopropoxy-4-methoxybenzene (CAS 1243344-61-7)
- 1-(4-((4-Chlorobenzyl)oxy)phenyl)-N-methylmethanamine hydrochloride (CAS 1048674-40-3)
- 2-Amino-6-bromo-3-methoxypyridine (CAS 916737-77-4)
- (R)-1-(3-chloro-5-methylphenyl)-2-methylpropan-1-amine (CAS 1213351-59-7)
- (3-Chloro-4-((4-methoxybenzyl)oxy)phenyl)boronic acid (CAS 870777-25-6)
- 6-(Methylthio)-3-phenyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 1306829-97-9)
- (3-Isopropylphenyl)hydrazine (CAS 680218-05-7)
- 1-(2-Chloroethyl)piperidine-4-carbonitrile hydrochloride (CAS 111041-03-3)
- Amlodipine Impurity 53 (CAS CATO-C4X-109553)
- [y-Glu15]-Semaglutide Impurity 134 (CAS CATO-C4X-2226134)
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