1-(3,4,5-Trichlorothiophen-2-yl)ethan-1-one CAS 65434-11-9

Purity 97%+In StockPharmaceutical Standards
CAS No.65434-11-9
Molecular FormulaC6H3Cl3OS
Molecular Weight229.51 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(3,4,5-Trichlorothiophen-2-yl)ethan-1-one CAS 65434-11-9 chemical structure

Description

1-(3,4,5-Trichlorothiophen-2-yl)ethan-1-one (CAS 65434-11-9) is a high-purity analytical reference standard with the molecular formula C6H3Cl3OS and a molecular weight of 229.51 g/mol.

Structurally, 1-(3,4,5-Trichlorothiophen-2-yl)ethan-1-one (C6H3Cl3OS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 229.51 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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

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 FormulaC6H3Cl3OS
Molecular Weight229.51 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)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1975
Halogen ContentCl-containing
Sulfur Atoms1

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