4-Hydroxyphenoxyacetic acid CAS 1878-84-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1878-84-8
Molecular FormulaC8H14O4
Molecular Weight174.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Hydroxyphenoxyacetic acid CAS 1878-84-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 174.19 g/mol gives 4-Hydroxyphenoxyacetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-Hydroxyphenoxyacetic acid (CAS 1878-84-8), molecular formula C8H14O4 and molecular weight 174.19 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C8H14O4, 4-Hydroxyphenoxyacetic acid 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 174.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.

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.

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 FormulaC8H14O4
Molecular Weight174.19 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1957

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