1,2-Diphenyl-1,2-bis(4-((trimethylsilyl)ethynyl)phenyl)ethene CAS 1263774-65-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1263774-65-7 |
| Molecular Formula | C36H36Si2 |
| Molecular Weight | 524.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,2-Diphenyl-1,2-bis(4-((trimethylsilyl)ethynyl)phenyl)ethene (CAS 1263774-65-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C36H36Si2. Molecular weight: 524.84 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C36H36Si2 |
| Molecular Weight | 524.84 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
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Recommended Standards
- Cholecalciferol Impurity 35 (CAS CATO-C4X-158635)
- 4,7-Bis(5-n-octyl-2-thienyl)-2,1,3-benzothiadiazole (CAS 1171974-28-9)
- 5-({[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}methyl)-N-({[3-(trifluoromethyl)phenyl]carbamoyl}amino)-4,5-dihydro-1,2-oxazole-3-carboxamide (CAS 321432-28-4)
- 1-(3-(Hydroxymethyl)phenyl)ethan-1-one (CAS 125604-06-0)
- Methyl 4-(((benzyloxy)carbonyl)amino)picolinate (CAS 2879233-77-7)
- 3-(4-Bromophenyl)-6-chloro-2-methylquinazoline-4(3H)-thione (CAS 823195-65-9)
- tert-Butyl cyclobutyl(5-(1-formylpyrrolidin-2-yl)pyridin-2-yl)carbamate (CAS 1352490-64-2)
- 2-{2-[(4-Chlorobenzyl)oxy]ethyl}piperidinehydrochloride (CAS 1219980-68-3)
- 2-(Dimethylamino)-2-(5-methylfuran-2-yl)acetonitrile (CAS 1142198-06-8)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
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 13829788188 / jacky.chen@cato-chem.com