Bicalutamide Impurity 22 CAS 405-31-2

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.405-31-2
Molecular FormulaC12H8F2S2
Molecular Weight254.32 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Bicalutamide Impurity 22 CAS 405-31-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 254.32 g/mol gives Bicalutamide Impurity 22 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

As a process- or degradation-related impurity, Bicalutamide Impurity 22 (CAS 405-31-2, C12H8F2S2) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.

Bicalutamide Impurity 22 (C12H8F2S2) contains sulfur-containing functionality, fluorine 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 high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.

As a certified reference material (CRM), Bicalutamide Impurity 22 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 FormulaC12H8F2S2
Molecular Weight254.32 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentF-containing
Sulfur Atoms2

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