PEG3 CAS 67439-82-1

Purity 97%+In StockPharmaceutical Standards
CAS No.67439-82-1
Molecular FormulaC7H16O4
Molecular Weight164.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

PEG3 CAS 67439-82-1 chemical structure

Description

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

PEG3 (CAS 67439-82-1), molecular formula C7H16O4 and molecular weight 164.20 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C7H16O4, PEG3 contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 164.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.

CATO manufactures PEG3 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC7H16O4
Molecular Weight164.20 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)0.0
CAS Registry Year (est.)1976

Recommended Standards

Why CATO?