4,4,5,5-Tetramethyl-2-(3-nitro-4-phenoxyphenyl)-1,3,2-dioxaborolane CAS 364354-15-4

Purity 97%+In StockPharmaceutical Standards
CAS No.364354-15-4
Molecular FormulaC18H20BNO5
Molecular Weight341.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,4,5,5-Tetramethyl-2-(3-nitro-4-phenoxyphenyl)-1,3,2-dioxaborolane CAS 364354-15-4 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.

4,4,5,5-Tetramethyl-2-(3-nitro-4-phenoxyphenyl)-1,3,2-dioxaborolane (CAS 364354-15-4) is a high-purity analytical reference standard with the molecular formula C18H20BNO5 and a molecular weight of 341.17 g/mol.

Based on its molecular formula C18H20BNO5, 4,4,5,5-Tetramethyl-2-(3-nitro-4-phenoxyphenyl)-1,3,2-dioxaborolane contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 341.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

As a certified reference material (CRM), 4,4,5,5-Tetramethyl-2-(3-nitro-4-phenoxyphenyl)-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 FormulaC18H20BNO5
Molecular Weight341.17 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)9.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1

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