(R,E)-Trimethyl(1-(methyldiphenylsilyl)but-2-en-1-yl)silane CAS 2098265-31-5

Purity 97%+In StockPharmaceutical Standards
CAS No.2098265-31-5
Molecular FormulaC20H28Si2
Molecular Weight324.61 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(R,E)-Trimethyl(1-(methyldiphenylsilyl)but-2-en-1-yl)silane CAS 2098265-31-5 chemical structure

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

(R,E)-Trimethyl(1-(methyldiphenylsilyl)but-2-en-1-yl)silane (CAS 2098265-31-5) is a high-purity analytical reference standard with the molecular formula C20H28Si2 and a molecular weight of 324.61 g/mol.

Structurally, (R,E)-Trimethyl(1-(methyldiphenylsilyl)but-2-en-1-yl)silane (C20H28Si2) contains a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 324.61 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

As a certified reference material (CRM), (R,E)-Trimethyl(1-(methyldiphenylsilyl)but-2-en-1-yl)silane 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.

Physical & Chemical Properties

Molecular FormulaC20H28Si2
Molecular Weight324.61 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1997

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