Nonamethylcyclopentasiloxan-2-ol DISCONTINUED CAS 5290-04-0

Purity 97%+In StockPharmaceutical Standards
CAS No.5290-04-0
Molecular FormulaC9H28O6Si5
Molecular Weight372.74 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Nonamethylcyclopentasiloxan-2-ol DISCONTINUED CAS 5290-04-0 chemical structure

Description

The occurrence of Nonamethylcyclopentasiloxan-2-ol DISCONTINUED 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.

Nonamethylcyclopentasiloxan-2-ol DISCONTINUED (CAS 5290-04-0), molecular formula C9H28O6Si5 and molecular weight 372.74 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, Nonamethylcyclopentasiloxan-2-ol DISCONTINUED is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 372.74 g/mol — guide the selection of appropriate sample preparation and analytical techniques.

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

As a certified reference material (CRM), Nonamethylcyclopentasiloxan-2-ol DISCONTINUED 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 FormulaC9H28O6Si5
Molecular Weight372.74 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)-4.0
CAS Registry Year (est.)1958

Recommended Standards

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