1,2-Propyleneglycol sulfite CAS 1469-73-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1469-73-4
Molecular FormulaC3H6O3S
Molecular Weight122.14 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,2-Propyleneglycol sulfite CAS 1469-73-4 chemical structure

Description

Structurally, 1,2-Propyleneglycol sulfite (C3H6O3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 122.14 g/mol, it falls into the low-molecular-weight range.

1,2-Propyleneglycol sulfite (CAS 1469-73-4), molecular formula C3H6O3S and molecular weight 122.14 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), 1,2-Propyleneglycol sulfite 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 FormulaC3H6O3S
Molecular Weight122.14 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)1.0
CAS Registry Year (est.)1957
Sulfur Atoms1

Related Propyleneglycol Standards

Recommended Standards

Why CATO?