2,6-Dibromo-4,4-dioctyl-4H-cyclopenta[1,2-b:5,4-b']dithiophene CAS 478404-10-3

Purity 97%+In StockPharmaceutical Standards
CAS No.478404-10-3
Molecular FormulaC25H36Br2S2
Molecular Weight560.49 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,6-Dibromo-4,4-dioctyl-4H-cyclopenta[1,2-b:5,4-b']dithiophene CAS 478404-10-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 560.49 g/mol gives 2,6-Dibromo-4,4-dioctyl-4H-cyclopenta[1,2-b:5,4-b']dithiophene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2,6-Dibromo-4,4-dioctyl-4H-cyclopenta[1,2-b:5,4-b']dithiophene (CAS 478404-10-3), molecular formula C25H36Br2S2 and molecular weight 560.49 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2,6-Dibromo-4,4-dioctyl-4H-cyclopenta[1,2-b:5,4-b']dithiophene (C25H36Br2S2) contains sulfur-containing functionality, bromine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 560.49 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

As a certified reference material (CRM), 2,6-Dibromo-4,4-dioctyl-4H-cyclopenta[1,2-b:5,4-b']dithiophene meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC25H36Br2S2
Molecular Weight560.49 g/mol
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentBr-containing
Sulfur Atoms2

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