3,5-Dimethoxy-3,5-dimethyl-2,6-dioxa-3,5-disilaheptane CAS 18297-79-5

Purity 97%+In StockPharmaceutical Standards
CAS No.18297-79-5
Molecular FormulaC7H20O4Si2
Molecular Weight224.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,5-Dimethoxy-3,5-dimethyl-2,6-dioxa-3,5-disilaheptane CAS 18297-79-5 chemical structure

Description

3,5-Dimethoxy-3,5-dimethyl-2,6-dioxa-3,5-disilaheptane (CAS 18297-79-5) is a high-purity analytical reference standard with the molecular formula C7H20O4Si2 and a molecular weight of 224.40 g/mol.

3,5-Dimethoxy-3,5-dimethyl-2,6-dioxa-3,5-disilaheptane (C7H20O4Si2) contains a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.

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 3,5-Dimethoxy-3,5-dimethyl-2,6-dioxa-3,5-disilaheptane 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 FormulaC7H20O4Si2
Molecular Weight224.40 g/mol
Purity97%+
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.)1962

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