5-Ethynylthiophene-2-carbonitrile CAS 174672-60-7

Purity 97%+In StockPharmaceutical Standards
CAS No.174672-60-7
Molecular FormulaC7H3NS
Molecular Weight133.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Ethynylthiophene-2-carbonitrile CAS 174672-60-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 133.17 g/mol gives 5-Ethynylthiophene-2-carbonitrile distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 5-Ethynylthiophene-2-carbonitrile (CAS 174672-60-7), a certified reference material (molecular formula C7H3NS, MW 133.17 g/mol) for analytical method development and quality control.

5-Ethynylthiophene-2-carbonitrile (C7H3NS) contains a nitrile group, sulfur-containing functionality, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 FormulaC7H3NS
Molecular Weight133.17 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2006
Nitrogen Atoms1
Sulfur Atoms1

Related Ethynylthiophene Standards

Recommended Standards

Why CATO?