Acid-PEG4-S-S-PEG4-acid CAS 2055015-40-0

Purity 97%+In StockPharmaceutical Standards
CAS No.2055015-40-0
Molecular FormulaC22H42O12S2
Molecular Weight562.69 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Acid-PEG4-S-S-PEG4-acid CAS 2055015-40-0 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.

Acid-PEG4-S-S-PEG4-acid (CAS 2055015-40-0) is a high-purity analytical reference standard with the molecular formula C22H42O12S2 and a molecular weight of 562.69 g/mol.

Structurally, Acid-PEG4-S-S-PEG4-acid (C22H42O12S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 562.69 g/mol, it falls into the moderately-high-molecular-weight range.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC22H42O12S2
Molecular Weight562.69 g/mol
Purity97%+
StorageStore at room temperature, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1997
Sulfur Atoms2

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