2,3,5-Tribromo-4-methylthiophene CAS 67869-13-0

Purity 97%+In StockPharmaceutical Standards
CAS No.67869-13-0
Molecular FormulaC5H3Br3S
Molecular Weight334.85 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,3,5-Tribromo-4-methylthiophene CAS 67869-13-0 chemical structure

Description

The occurrence of 2,3,5-Tribromo-4-methylthiophene is closely related to sulfur-containing functionality, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2,3,5-Tribromo-4-methylthiophene (CAS 67869-13-0) is a high-purity analytical reference standard with the molecular formula C5H3Br3S and a molecular weight of 334.85 g/mol.

Owing to sulfur-containing functionality, bromine substitution, 2,3,5-Tribromo-4-methylthiophene is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 334.85 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

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 FormulaC5H3Br3S
Molecular Weight334.85 g/mol
Purity97%+
StorageStore at room temperature
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1976
Halogen ContentBr-containing
Sulfur Atoms1

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