(R)-3-((tert-Butyldimethylsilyl)oxy)-5-methoxy-5-oxopentanoic acid CAS 109744-49-2

Purity 97%+In StockPharmaceutical Standards
CAS No.109744-49-2
Molecular FormulaC12H23O5Si
Molecular Weight275.39 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(R)-3-((tert-Butyldimethylsilyl)oxy)-5-methoxy-5-oxopentanoic acid CAS 109744-49-2 chemical structure

Description

(R)-3-((tert-Butyldimethylsilyl)oxy)-5-methoxy-5-oxopentanoic acid (CAS 109744-49-2) is a high-purity analytical reference standard with the molecular formula C12H23O5Si and a molecular weight of 275.39 g/mol.

Based on its molecular formula C12H23O5Si, (R)-3-((tert-Butyldimethylsilyl)oxy)-5-methoxy-5-oxopentanoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 275.39 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.

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.

As a certified reference material (CRM), (R)-3-((tert-Butyldimethylsilyl)oxy)-5-methoxy-5-oxopentanoic acid 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 FormulaC12H23O5Si
Molecular Weight275.39 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.5
CAS Registry Year (est.)1988

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