Hydroxy-PEG1-acid (sodium) CAS 2855229-28-4

Purity 97%+In StockPharmaceutical Standards
CAS No.2855229-28-4
Molecular FormulaC5H9NaO4
Molecular Weight156.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Hydroxy-PEG1-acid (sodium) CAS 2855229-28-4 chemical structure

Description

Hydroxy-PEG1-acid (sodium) (C5H9NaO4) contains a carbohydrate-derived structure. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.

Hydroxy-PEG1-acid (sodium) (CAS 2855229-28-4), molecular formula C5H9NaO4 and molecular weight 156.11 g/mol, is a CATO reference standard with documented purity and traceability.

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), Hydroxy-PEG1-acid (sodium) 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 FormulaC5H9NaO4
Molecular Weight156.11 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.5
CAS Registry Year (est.)2003

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Why CATO?