2-Bromo-4H-cyclopenta[b]thiophen-6(5H)-one CAS 13191-41-8

Purity 97%+In StockPharmaceutical Standards
CAS No.13191-41-8
Molecular FormulaC7H5BrOS
Molecular Weight217.08 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Bromo-4H-cyclopenta[b]thiophen-6(5H)-one CAS 13191-41-8 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-Bromo-4H-cyclopenta[b]thiophen-6(5H)-one.

2-Bromo-4H-cyclopenta[b]thiophen-6(5H)-one (CAS 13191-41-8) is a high-purity analytical reference standard with the molecular formula C7H5BrOS and a molecular weight of 217.08 g/mol.

Based on its molecular formula C7H5BrOS, 2-Bromo-4H-cyclopenta[b]thiophen-6(5H)-one contains sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 217.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 2-Bromo-4H-cyclopenta[b]thiophen-6(5H)-one 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 FormulaC7H5BrOS
Molecular Weight217.08 g/mol
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1960
Halogen ContentBr-containing
Sulfur Atoms1

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