trans,trans-4-(4-Ethoxy-2,3-difluorophenyl)-4'-ethyl-1,1'-bi(cyclohexane) CAS 253199-08-5
| CAS No. | 253199-08-5 |
| Molecular Formula | C22H32F2O |
| Molecular Weight | 350.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), trans,trans-4-(4-Ethoxy-2,3-difluorophenyl)-4'-ethyl-1,1'-bi(cyclohexane) 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.
CATO supplies trans,trans-4-(4-Ethoxy-2,3-difluorophenyl)-4'-ethyl-1,1'-bi(cyclohexane) (CAS 253199-08-5), a certified reference material (molecular formula C22H32F2O, MW 350.49 g/mol) for analytical method development and quality control.
Owing to a steroid core, a hydroxyl group, an ether linkage, fluorine substitution, trans,trans-4-(4-Ethoxy-2,3-difluorophenyl)-4'-ethyl-1,1'-bi(cyclohexane) is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 350.49 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H32F2O |
| Molecular Weight | 350.49 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
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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