| CAS No. | 484067-45-0 |
| Molecular Formula | C35H26Si |
| Molecular Weight | 474.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures Trimethyl((4-((4-((4-(phenylethynyl)phenyl)ethynyl)-phenyl)ethynyl)phenyl)ethynyl)silane 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.
Trimethyl((4-((4-((4-(phenylethynyl)phenyl)ethynyl)-phenyl)ethynyl)phenyl)ethynyl)silane (CAS 484067-45-0), molecular formula C35H26Si and molecular weight 474.67 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Trimethyl((4-((4-((4-(phenylethynyl)phenyl)ethynyl)-phenyl)ethynyl)phenyl)ethynyl)silane (C35H26Si) contains a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 23.0, corresponding to approximately 23 ring(s) or double-bond equivalent(s). With a molecular weight of 474.67 g/mol, it falls into the moderately-high-molecular-weight range. 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.
| Molecular Formula | C35H26Si |
| Molecular Weight | 474.67 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) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |