2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carbonitrile CAS 438532-80-0

Purity 97%+In StockPharmaceutical Standards
CAS No.438532-80-0
Molecular FormulaC12H8N2O2S
Molecular Weight244.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carbonitrile CAS 438532-80-0 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 2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carbonitrile.

CATO supplies 2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carbonitrile (CAS 438532-80-0), a certified reference material (molecular formula C12H8N2O2S, MW 244.27 g/mol) for analytical method development and quality control.

The molecular framework of 2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carbonitrile (C12H8N2O2S) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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 FormulaC12H8N2O2S
Molecular Weight244.27 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms2
Sulfur Atoms1

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