(-)-Methyl (3S)-3,5-Bis-{[tert-butyldimethylsilyl)oxy]}-2,2-dimethylpentanoate 218614-13-2 CAS 218614-13-2

Description

The occurrence of (-)-Methyl (3S)-3,5-Bis-{[tert-butyldimethylsilyl)oxy]}-2,2-dimethylpentanoate 218614-13-2 is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(-)-Methyl (3S)-3,5-Bis-{[tert-butyldimethylsilyl)oxy]}-2,2-dimethylpentanoate 218614-13-2 (CAS 218614-13-2), molecular formula C20H44O4Si2 and molecular weight 404.73 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (-)-Methyl (3S)-3,5-Bis-{[tert-butyldimethylsilyl)oxy]}-2,2-dimethylpentanoate 218614-13-2 (C20H44O4Si2) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of -1.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 404.73 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.

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

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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