Crospovidone

Products Crospovidone (polyvinylpolypyrrolidone) is found in many drugs as an excipient, especially in tablets. Not to be confused with copovidone. Structure and properties Crospovidone is a cross-linked homopolymer of 1-ethenylpyrrolidin-2-one. It exists as a white to yellowish-white hygroscopic powder or as a leaflet and is practically insoluble in water. This is in contrast to the … Crospovidone

Copovidone

Products Copovidone is found as an excipient in drugs, mainly in tablets. Not to be confused with crospovidone. Structure and properties Copovidone is a copolymer of 1-ethenylpyrrolidone-2-one and ethenyl acetate in the ratio 3:2 (m/m). It exists as a white to yellowish white hygroscopic powder or as a leaflet and is readily soluble in water. … Copovidone

Auxiliary Materials

Definition On the one hand, drugs contain the active ingredients that mediate the pharmacological effects. On the other hand, they consist of excipients, which are used for the production or to support and regulate the drug effect. Placebos, which consist only of excipients and contain no active ingredients, are an exception. Excipients can be of … Auxiliary Materials

Povidone

Products Pure povidone is available to order in pharmacies. Povidone is found in many drugs as an excipient, especially in tablets. It is a component of the disinfectant povidone-iodine, which is available as a solution and ointment, among other products. Povidone is also found in artificial tears and, as such, is approved as a drug … Povidone