5,5'-Dibromo-4,4'-dihexadecyl-2,2'-bithiophene CAS 958239-78-6

Purity 97%+In StockPharmaceutical Standards
CAS No.958239-78-6
Molecular FormulaC40H68Br2S2
Molecular Weight772.91 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5,5'-Dibromo-4,4'-dihexadecyl-2,2'-bithiophene CAS 958239-78-6 chemical structure

Description

The occurrence of 5,5'-Dibromo-4,4'-dihexadecyl-2,2'-bithiophene is closely related to sulfur-containing functionality, bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

5,5'-Dibromo-4,4'-dihexadecyl-2,2'-bithiophene (CAS 958239-78-6) is a high-purity analytical reference standard with the molecular formula C40H68Br2S2 and a molecular weight of 772.91 g/mol.

5,5'-Dibromo-4,4'-dihexadecyl-2,2'-bithiophene (C40H68Br2S2) contains sulfur-containing functionality, bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.

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 FormulaC40H68Br2S2
Molecular Weight772.91 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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentBr-containing
Sulfur Atoms2

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