2,2'-(Benzofuran-2,6-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) CAS 919119-75-8

Purity 97%+In StockPharmaceutical Standards
CAS No.919119-75-8
Molecular FormulaC20H28B2O5
Molecular Weight370.06 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,2'-(Benzofuran-2,6-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) CAS 919119-75-8 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.

2,2'-(Benzofuran-2,6-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 919119-75-8), molecular formula C20H28B2O5 and molecular weight 370.06 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2,2'-(Benzofuran-2,6-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (C20H28B2O5) contains a flavonoid core, a hydroxyl group, an ether linkage. 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 370.06 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 2,2'-(Benzofuran-2,6-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) 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 FormulaC20H28B2O5
Molecular Weight370.06 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, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987

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