Quantification of a cocrystal and its dissociated compounds in solid dosage form using transmission Raman spectroscopy.

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ID: 105228
2020
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Abstract
The performance of transmission Raman spectroscopy (TRS) for quantifying a cocrystal and its dissociation in solid dosage form was investigated. Some tablets containing 0%-20% (w/w) of a cocrystal of carbamazepine (CBZ)/succinic acid (SUC), 0%-4% of CBZ, 0%-4% of SUC, and 75%-99% of D-mannitol were prepared. The Raman spectra of these tablets were preprocessed using the standard normal variate (SNV) or multiplicative scatter correction (MSC) as well as the Savitzky Golay second derivative, and then, these were used to generate calibration models using partial least squares (PLS) regression. The performance of the model was superior when the MSC preprocessing spectra of the cocrystal between 200 and 1800 cm were used for calibration. The determination coefficient of the PLS calibration curve for the CBZ/SUC cocrystal between 200 and 1800 cm with MSC was 0.97, root mean square error of cross validation (RMSECV) was 1.16, and root mean square error of prediction (RMSEP) was 1.10. As in the case of the CBZ/SUC cocrystal, the performance of the model was superior when the MSC preprocessing spectra of CBZ and SUC between 200 and 1800 cm were used for calibration. These data suggest that TRS is useful for quantifying a cocrystal and its dissociation compounds in solid dosage forms.
Reference Key
koide2020quantificationjournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Koide, Tatsuo;Takeuchi, Yuki;Otaki, Takashi;Yamamoto, Katsuhiko;Shimamura, Rie;Ohashi, Ryo;Inoue, Motoki;Fukami, Toshiro;Izutsu, Ken-Ichi;
Journal Journal of pharmaceutical and biomedical analysis
Year 2020
DOI
S0731-7085(19)31385-8
URL
Keywords
quantification cocrystal transmission raman spectroscopy

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