5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide CAS 1083326-26-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1083326-26-4
Molecular FormulaC11H17BN2O4S
Molecular Weight284.14 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide CAS 1083326-26-4 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide.

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide (CAS 1083326-26-4), molecular formula C11H17BN2O4S and molecular weight 284.14 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C11H17BN2O4S, 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 284.14 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.

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), 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide 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 FormulaC11H17BN2O4S
Molecular Weight284.14 g/mol
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)4.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Nitrogen Atoms2
Sulfur Atoms1

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