2-Phenoxypyridine-5-boronic acid pinacol ester, 97% CAS 330792-76-2

Purity 97%+In StockPharmaceutical Standards
CAS No.330792-76-2
Molecular FormulaC17H20BNO3
Molecular Weight297.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Phenoxypyridine-5-boronic acid pinacol ester, 97% CAS 330792-76-2 chemical structure

Description

The occurrence of 2-Phenoxypyridine-5-boronic acid pinacol ester, 97% is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2-Phenoxypyridine-5-boronic acid pinacol ester, 97% (CAS 330792-76-2), molecular formula C17H20BNO3 and molecular weight 297.16 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2-Phenoxypyridine-5-boronic acid pinacol ester, 97% (C17H20BNO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.5, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 297.16 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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 FormulaC17H20BNO3
Molecular Weight297.16 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 chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1

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