Beyond Spectral Similarity: How to Distinguish Polymorphs with Similar Solid-State Circular Dichroism Anisotropy Spectra?

    August 2025 in “ ChemPhotoChem ”
    Marcin Górecki, Andrea Taddeucci, Tamás Jávorfí … Lorenzo Di Bari
    Studysummary This study demonstrated that CD anisotropy effectively distinguishes between two polymorphs of finasteride with nearly identical electronic circular dichroism spectra, using imaging and simulated spectra to uncover unique signatures that traditional methods miss.
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    Research cited in this study 2

    1. Electronic Circular Dichroism Imaging Casts a New Light on the Origin of Solid-State Chiroptical Properties 2021
    2. Comprehensive Spectroscopic Characterization of Finasteride Polymorphic Forms: Does Form X Exist? Journal of Pharmaceutical Sciences · 2015