Pentamethylcyclotrisiloxanol CAS 106916-50-1

Purity 97%+In StockPharmaceutical Standards
CAS No.106916-50-1
Molecular FormulaC5H16O4Si3
Molecular Weight224.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Pentamethylcyclotrisiloxanol CAS 106916-50-1 chemical structure

Description

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.

CATO supplies Pentamethylcyclotrisiloxanol (CAS 106916-50-1), a certified reference material (molecular formula C5H16O4Si3, MW 224.43 g/mol) for analytical method development and quality control.

Structurally, Pentamethylcyclotrisiloxanol (C5H16O4Si3) contains a carbohydrate-derived structure. The molecule exhibits a degree of unsaturation (DBE) of -2.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 224.43 g/mol, it falls into the medium-molecular-weight range.

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

Physical & Chemical Properties

Molecular FormulaC5H16O4Si3
Molecular Weight224.43 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.)1987

Recommended Standards

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