1,4-Bis[dimethyl[2-(5-norbornen-2-yl)ethyl]silyl]benzene CAS 307496-40-8
| CAS No. | 307496-40-8 |
| Molecular Formula | C28H42Si2 |
| Molecular Weight | 434.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1,4-Bis[dimethyl[2-(5-norbornen-2-yl)ethyl]silyl]benzene (CAS 307496-40-8) is a high-purity analytical reference standard with the molecular formula C28H42Si2 and a molecular weight of 434.80 g/mol.
Structurally, 1,4-Bis[dimethyl[2-(5-norbornen-2-yl)ethyl]silyl]benzene (C28H42Si2) contains a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 434.80 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).
CATO manufactures 1,4-Bis[dimethyl[2-(5-norbornen-2-yl)ethyl]silyl]benzene 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 | C28H42Si2 |
| Molecular Weight | 434.80 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
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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