Hexamethylcyclotrisiloxane CAS 541-05-9

Purity >95%In StockPharmaceutical Standards
CAS No.541-05-9
Molecular FormulaC6H18O3Si3
Molecular Weight222.46 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Hexamethylcyclotrisiloxane CAS 541-05-9 chemical structure

Description

The occurrence of Hexamethylcyclotrisiloxane 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.

Hexamethylcyclotrisiloxane (CAS 541-05-9), molecular formula C6H18O3Si3 and molecular weight 222.46 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of Hexamethylcyclotrisiloxane (C6H18O3Si3) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.

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.

CATO manufactures Hexamethylcyclotrisiloxane 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 FormulaC6H18O3Si3
Molecular Weight222.46 g/mol
Purity>95%
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)-2.0
CAS Registry Year (est.)1957

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