2-Bromo-1-(4-(thiophen-2-yl)phenyl)ethan-1-one CAS 128746-80-5

Purity 97%+In StockPharmaceutical Standards
CAS No.128746-80-5
Molecular FormulaC12H9BrOS
Molecular Weight281.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Bromo-1-(4-(thiophen-2-yl)phenyl)ethan-1-one CAS 128746-80-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 281.17 g/mol gives 2-Bromo-1-(4-(thiophen-2-yl)phenyl)ethan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-Bromo-1-(4-(thiophen-2-yl)phenyl)ethan-1-one (CAS 128746-80-5), molecular formula C12H9BrOS and molecular weight 281.17 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2-Bromo-1-(4-(thiophen-2-yl)phenyl)ethan-1-one (C12H9BrOS) 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 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 281.17 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).

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-1-(4-(thiophen-2-yl)phenyl)ethan-1-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 FormulaC12H9BrOS
Molecular Weight281.17 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993
Halogen ContentBr-containing
Sulfur Atoms1

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