thieno[3,2-b]pyridine CAS 272-67-3

Purity 97%+In StockPharmaceutical Standards
CAS No.272-67-3
Molecular FormulaC7H13NS
Molecular Weight143.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

thieno[3,2-b]pyridine CAS 272-67-3 chemical structure

Description

thieno[3,2-b]pyridine (CAS 272-67-3) is a high-purity analytical reference standard with the molecular formula C7H13NS and a molecular weight of 143.25 g/mol.

The molecular framework of thieno[3,2-b]pyridine (C7H13NS) is characterized by a nitrile group, sulfur-containing functionality. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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), thieno[3,2-b]pyridine 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 FormulaC7H13NS
Molecular Weight143.25 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1957
Nitrogen Atoms1
Sulfur Atoms1

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