2-Bromo-5,6-dihydro-4H-cyclopenta[b]thiophen-4-one CAS 1369353-77-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1369353-77-4
Molecular FormulaC7H5BrOS
Molecular Weight217.08 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Bromo-5,6-dihydro-4H-cyclopenta[b]thiophen-4-one CAS 1369353-77-4 chemical structure

Description

Structurally, 2-Bromo-5,6-dihydro-4H-cyclopenta[b]thiophen-4-one (C7H5BrOS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 217.08 g/mol, it falls into the medium-molecular-weight range. 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).

2-Bromo-5,6-dihydro-4H-cyclopenta[b]thiophen-4-one (CAS 1369353-77-4), molecular formula C7H5BrOS and molecular weight 217.08 g/mol, is a CATO reference standard with documented purity and traceability.

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.

CATO manufactures 2-Bromo-5,6-dihydro-4H-cyclopenta[b]thiophen-4-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

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.)1991
Halogen ContentBr-containing
Sulfur Atoms1

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