2,2'-((4-Carboxy-1,2-phenylene)bis(oxy))diacetic acid CAS 19565-57-2

Purity 97%+In StockPharmaceutical Standards
CAS No.19565-57-2
Molecular FormulaC11H10O8
Molecular Weight270.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,2'-((4-Carboxy-1,2-phenylene)bis(oxy))diacetic acid CAS 19565-57-2 chemical structure

Description

The occurrence of 2,2'-((4-Carboxy-1,2-phenylene)bis(oxy))diacetic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 2,2'-((4-Carboxy-1,2-phenylene)bis(oxy))diacetic acid (CAS 19565-57-2), a certified reference material (molecular formula C11H10O8, MW 270.19 g/mol) for analytical method development and quality control.

Structurally, 2,2'-((4-Carboxy-1,2-phenylene)bis(oxy))diacetic acid (C11H10O8) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 270.19 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

As a certified reference material (CRM), 2,2'-((4-Carboxy-1,2-phenylene)bis(oxy))diacetic acid 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 FormulaC11H10O8
Molecular Weight270.19 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962

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