2,2'-((((2,5-Diethynyl-1,4-phenylene)bis(oxy))bis(ethane-2,1-diyl))bis(oxy))bis(ethan-1-ol) CAS 321673-10-3

Purity 97%+In StockPharmaceutical Standards
CAS No.321673-10-3
Molecular FormulaC18H22O6
Molecular Weight334.36 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,2'-((((2,5-Diethynyl-1,4-phenylene)bis(oxy))bis(ethane-2,1-diyl))bis(oxy))bis(ethan-1-ol) CAS 321673-10-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 334.36 g/mol gives 2,2'-((((2,5-Diethynyl-1,4-phenylene)bis(oxy))bis(ethane-2,1-diyl))bis(oxy))bis(ethan-1-ol) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2,2'-((((2,5-Diethynyl-1,4-phenylene)bis(oxy))bis(ethane-2,1-diyl))bis(oxy))bis(ethan-1-ol) (CAS 321673-10-3), molecular formula C18H22O6 and molecular weight 334.36 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a flavonoid core, a hydroxyl group, an ether linkage, 2,2'-((((2,5-Diethynyl-1,4-phenylene)bis(oxy))bis(ethane-2,1-diyl))bis(oxy))bis(ethan-1-ol) is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 334.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

CATO manufactures 2,2'-((((2,5-Diethynyl-1,4-phenylene)bis(oxy))bis(ethane-2,1-diyl))bis(oxy))bis(ethan-1-ol) 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 FormulaC18H22O6
Molecular Weight334.36 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025

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