1,2-Diphenyl-1,2-bis(4-((trimethylsilyl)ethynyl)phenyl)ethene CAS 1263774-65-7
| 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
Compared with other compounds in its class, the molecular weight of 524.84 g/mol gives 1,2-Diphenyl-1,2-bis(4-((trimethylsilyl)ethynyl)phenyl)ethene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1,2-Diphenyl-1,2-bis(4-((trimethylsilyl)ethynyl)phenyl)ethene (CAS 1263774-65-7) is a high-purity analytical reference standard with the molecular formula C36H36Si2 and a molecular weight of 524.84 g/mol.
Owing to a polycyclic aromatic system, 1,2-Diphenyl-1,2-bis(4-((trimethylsilyl)ethynyl)phenyl)ethene is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 524.84 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures 1,2-Diphenyl-1,2-bis(4-((trimethylsilyl)ethynyl)phenyl)ethene 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.
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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