5-Chlorobenzo[b]thiophene-3-carbonitrile CAS 16296-79-0

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-Chlorobenzo[b]thiophene-3-carbonitrile.

5-Chlorobenzo[b]thiophene-3-carbonitrile (CAS 16296-79-0) is a high-purity analytical reference standard with the molecular formula C9H4ClNS and a molecular weight of 193.65 g/mol.

Based on its molecular formula C9H4ClNS, 5-Chlorobenzo[b]thiophene-3-carbonitrile contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 193.65 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-Chlorobenzo[b]thiophene-3-carbonitrile 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

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