3,4-Dibromo-2,5-dichlorothiophene CAS 40477-45-0

Purity 97%+In StockPharmaceutical Standards
CAS No.40477-45-0
Molecular FormulaC4Br2Cl2S
Molecular Weight310.82 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,4-Dibromo-2,5-dichlorothiophene CAS 40477-45-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 310.82 g/mol gives 3,4-Dibromo-2,5-dichlorothiophene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3,4-Dibromo-2,5-dichlorothiophene (CAS 40477-45-0) is a high-purity analytical reference standard with the molecular formula C4Br2Cl2S and a molecular weight of 310.82 g/mol.

Structurally, 3,4-Dibromo-2,5-dichlorothiophene (C4Br2Cl2S) contains sulfur-containing functionality, chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 310.82 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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 3,4-Dibromo-2,5-dichlorothiophene 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 FormulaC4Br2Cl2S
Molecular Weight310.82 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.)1968
Halogen ContentCl/Br-containing
Sulfur Atoms1

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