3-((tert-Butyldimethylsilyl)oxy)propanoic acid CAS 120821-20-7

Purity 97%+In StockPharmaceutical Standards
CAS No.120821-20-7
Molecular FormulaC9H20O3Si
Molecular Weight204.34 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-((tert-Butyldimethylsilyl)oxy)propanoic acid CAS 120821-20-7 chemical structure

Description

The occurrence of 3-((tert-Butyldimethylsilyl)oxy)propanoic acid 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.

3-((tert-Butyldimethylsilyl)oxy)propanoic acid (CAS 120821-20-7) is a high-purity analytical reference standard with the molecular formula C9H20O3Si and a molecular weight of 204.34 g/mol.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 3-((tert-Butyldimethylsilyl)oxy)propanoic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 204.34 g/mol — guide the selection of appropriate sample preparation and analytical techniques.

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), 3-((tert-Butyldimethylsilyl)oxy)propanoic 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 FormulaC9H20O3Si
Molecular Weight204.34 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)0.0
CAS Registry Year (est.)1991

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