Abstract
Chlorpropamide ((4-chloro-N-(propylamino)-carbonyl)-benzenesulfonamide) belongs to compounds having sulfonylurea group and is widely used as an oral antidiabetic agent. In this work differential scanning calorimetry (DSC) was used during pre-formulation of chlorpropamide tablets to determine the drug-excipients compatibility. The DSC curves of chlorpropamide and binary mixtures with excipients (sodium croscarmellose, sodium lauryl sulfate, microcrystalline cellulose, magnesium stearate and calcium carbonate) showed that chlorpropamide exhibited interaction with magnesium stearate and sodium lauryl sulfate. The binary mixtures of chlorpropamide–magnesium stearate presented a single endothermic process at 96–108 °C and chlorpropamide–sodium lauryl sulfate showed a wide endotherm at 99–120 °C.
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The authors wish to thank the financing agent: NUPLAM/UFRN for the technical and financial support for this research.
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Freire, F.D., Aragão, C.F.S., de Lima e Moura, T.F.A. et al. Compatibility study between chlorpropamide and excipients in their physical mixtures. J Therm Anal Calorim 97, 355–357 (2009). https://doi.org/10.1007/s10973-009-0258-2
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DOI: https://doi.org/10.1007/s10973-009-0258-2