Products Stearic acid is available as a pure substance in pharmacies and drugstores. The name “stear” comes from the Greek and means tallow or lard, so it shows the origin of the substance. Structure and properties Stearic acid or octadecanoic acid (C18H36O2, Mr = 284.5 g/mol) is a saturated and unbranched C18 fatty acid, i.e., … Stearic Acid
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
Products Calcium stearate is found as an excipient in drugs, especially in tablets. However, the closely related magnesium stearate is much more commonly used in practice. Structure and properties Calcium stearate is a mixture of calcium salts of various fatty acids, mainly stearic acid and palmitic acid with a small proportion of other fatty acids. … Calcium Stearate
Products Magnesium stearate is available as a pure substance in pharmacies. It is found as an excipient in many medicines and especially in tablets. Calcium stearate is also used more rarely. Structure and properties Magnesium stearate is a hydrophobic compound of magnesium and a mixture of solid organic acids, mainly consisting of varying proportions of … Magnesium Stearate