Butanedioic acid, 2-hydroxy-, potassium salt (1:1) CAS 4675-64-3

Purity 97%+In StockPharmaceutical Standards
CAS No.4675-64-3
Molecular FormulaC4H5KO5
Molecular Weight172.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Butanedioic acid, 2-hydroxy-, potassium salt (1:1) CAS 4675-64-3 chemical structure

Description

Butanedioic acid, 2-hydroxy-, potassium salt (1:1) (CAS 4675-64-3) is a high-purity analytical reference standard with the molecular formula C4H5KO5 and a molecular weight of 172.18 g/mol.

Owing to a carbohydrate-derived structure, Butanedioic acid, 2-hydroxy-, potassium salt (1:1) is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 172.18 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), Butanedioic acid, 2-hydroxy-, potassium salt (1:1) 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 FormulaC4H5KO5
Molecular Weight172.18 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)2.5
CAS Registry Year (est.)1958

Related Butanedioic Standards

Recommended Standards

Why CATO?