1,1-Bis(4-chlorophenyl)-2-(4-methoxybenzenesulfinyl)ethan-1-ol CAS 337919-99-0
| CAS No. | 337919-99-0 |
| Molecular Formula | C21H18Cl2O3S |
| Molecular Weight | 421.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1,1-Bis(4-chlorophenyl)-2-(4-methoxybenzenesulfinyl)ethan-1-ol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
1,1-Bis(4-chlorophenyl)-2-(4-methoxybenzenesulfinyl)ethan-1-ol (CAS 337919-99-0), molecular formula C21H18Cl2O3S and molecular weight 421.34 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H18Cl2O3S, 1,1-Bis(4-chlorophenyl)-2-(4-methoxybenzenesulfinyl)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 421.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C21H18Cl2O3S |
| Molecular Weight | 421.34 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 | Cl-containing |
| Sulfur Atoms | 1 |
Related Bis Standards
- 1,1-Bis(4-chlorophenyl)-2-(4-methylbenzenesulfonyl)ethan-1-ol (CAS 110052-75-0)
- 1,1-Bis(4-chlorophenyl)-2-(3-methylbenzenesulfonyl)ethan-1-ol (CAS 252026-82-7)
- N-(4-Chlorophenyl)-N-[(1,1,2,2-Tetrachloro-2-Fluoroethyl)Thio]Methanesulfonamide (CAS 22729-74-4)
- N-(4-(4-Chlorophenyl)thiazol-2-yl)tetradecanamide (CAS 444155-73-1)
- 4-{[(4-chlorophenyl)sulfanyl]methyl}-2-phenyl-6-(phenylsulfanyl)pyrimidine (CAS 303147-11-7)
- 2-(4-Chlorophenyl)-N-(1-(2,6-dichlorobenzyl)-2-oxo-1,2-dihydropyridin-3-yl)acetamide (CAS 338784-87-5)
- (E)-[(4-Chlorophenyl)methoxy]({cyclopropyl[1-(3,4-dichlorophenyl)-1H-1,2,3-triazol-4-yl]methylidene})amine (CAS 866135-81-1)
- 4-(4-Chlorophenyl)-1-(4-(3,4-dichlorophenyl)thiazol-2-yl)-1H-pyrazol-5-amine (CAS 957002-78-7)
Recommended Standards
- 3-(5-(Allylthio)-4-ethyl-4H-1,2,4-triazol-3-yl)-1-(2,4-dichlorobenzyl)pyridin-2(1H)-one (CAS 477853-23-9)
- 1-((4-(4-(4,5-Dichloro-1H-imidazol-1-yl)phenyl)pyrimidin-2-yl)thio)-3,3-dimethylbutan-2-one (CAS 650592-26-0)
- N-Phenyl-N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)naphthalen-1-amine (CAS 528610-01-7)
- 3-[[(1R,2R)-2-Aminocyclohexyl]amino]-4-[[3,5-bis(trifluoromethyl)phenyl]amino]-3-cyclobutene-1,2-dione (CAS 1888443-73-9)
- 3-Bromo-2,6-dimethylbenzoic acid (CAS 123278-07-9)
- 5-amino-N-cyclopropyl-1H-1,2,3-triazole-4-carboxamide (CAS 1789455-92-0)
- (R)-4-(1-Aminoethyl)benzyl Alcohol (CAS 925456-54-8)
- Methyl 5-(3,5-dimethylphenyl)-3-methyl-5-oxopentanoate (CAS 1443342-35-5)
- 2-Ethyl-d (CAS 358731-27-8)
- 2-Chloro-3-fluoro-5-methoxypyridine (CAS 1211588-72-5)
- 1-Bromo-3-methylnonane (CAS 91342-02-8)
- Ethyl 2-amino-4-(p-tolyl)thiazole-5-carboxylate (CAS 68301-49-5)
- 3-(5-oxopyrrolidin-2-yl)pentane-2,4-dione (CAS 128628-31-9)
- Semaglutide impurity 57 (CAS 2773558-06-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com