m-PEG5-acid CAS 81836-43-3

Purity 97%+In StockPharmaceutical Standards
CAS No.81836-43-3
Molecular FormulaC12H24O7
Molecular Weight280.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

m-PEG5-acid CAS 81836-43-3 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.

m-PEG5-acid (CAS 81836-43-3) is a high-purity analytical reference standard with the molecular formula C12H24O7 and a molecular weight of 280.31 g/mol.

Structurally, m-PEG5-acid (C12H24O7) contains 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 280.31 g/mol, it falls into the medium-molecular-weight range.

CATO manufactures m-PEG5-acid 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 FormulaC12H24O7
Molecular Weight280.31 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1980

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