Active Pharmaceutical Ingredients (APIs)
Pharmaceutical formulations with ion exchange APIs.
Cholestyramine and sodium polystyrene sulfonate ion exchange resin APIs
Our ion exchange resins are well-known and globally recognized APIs with a long history of safe use. DuPont™ Duolite™ AP143 Cholestyramine USP ion exchange resin has been taken orally by patients around the world to reduce blood cholesterol. DuPont™ AmberLite™ IRP69 Sodium Polystyrene Sulfonate USP ion exchange resin helps with hyperkalemia by helping to control blood potassium levels. The unique functionality of ion exchange resins combined with our vital expertise in polymer science, formulation design, and drug synthesis, allows us to support current and future needs across the pharmaceutical and life sciences industries.
View all product data sheets for our ion exchange API products.
View all case studies, brochures, and other materials related to APIs in our resource center.
Solutions provided by ion exchange APIs
Learn how our AmberLite™ and Duolite™ Ion Exchange Resins can help with the most challenging pharmaceutical formulations. Cholestyramine Sodium Polystyrene Sulfonate
Reduce high levels of cholesterol in the blood with Duolite™ AP143 Cholestyramine USP ion exchange resin
Your body needs cholesterol to build healthy cells, but high levels of cholesterol can increase your risk of heart disease. Duolite™ AP143 Cholestyramine powder works as an API by exchanging anions for bile acids in the intestine. Then, the liver produces more bile acids to replace those that have been lost. Because the body uses cholesterol to make bile acids, this reduces the amount of LDL cholesterol circulating in the blood while the resin passes out of the body without being absorbed. Cholestyramine has been taken orally by patients around the world to reduce blood cholesterol for decades.
View all Cholestyramine products in our product finder.
View all Cholestyramine literature in our resource center.
Reduce high levels of potassium in the blood with AmberLite™ IRP69 Sodium Polystyrene Sulfonate USP ion exchange resin
The body needs a delicate balance of potassium to help the heart and other muscles work properly. AmberLite™ IRP69 Sodium Polystyrene Sulfonate powder is a cation-exchange resin used to treat high levels of potassium in the blood, also called hyperkalemia. It exchanges sodium ions with potassium ions in the large intestine and passes out of the body without being absorbed, taking the potassium with it.
View all Sodium Polystyrene Sulfonate products in our product finder.
View all Sodium Polystyrene Sulfonate literature in our resource center.
-
Cholestyramine +
Reduce high levels of cholesterol in the blood with Duolite™ AP143 Cholestyramine USP ion exchange resin
Your body needs cholesterol to build healthy cells, but high levels of cholesterol can increase your risk of heart disease. Duolite™ AP143 Cholestyramine powder works as an API by exchanging anions for bile acids in the intestine. Then, the liver produces more bile acids to replace those that have been lost. Because the body uses cholesterol to make bile acids, this reduces the amount of LDL cholesterol circulating in the blood while the resin passes out of the body without being absorbed. Cholestyramine has been taken orally by patients around the world to reduce blood cholesterol for decades.
View all Cholestyramine products in our product finder.
View all Cholestyramine literature in our resource center.
-
Sodium Polystyrene Sulfonate +
Reduce high levels of potassium in the blood with AmberLite™ IRP69 Sodium Polystyrene Sulfonate USP ion exchange resin
The body needs a delicate balance of potassium to help the heart and other muscles work properly. AmberLite™ IRP69 Sodium Polystyrene Sulfonate powder is a cation-exchange resin used to treat high levels of potassium in the blood, also called hyperkalemia. It exchanges sodium ions with potassium ions in the large intestine and passes out of the body without being absorbed, taking the potassium with it.
View all Sodium Polystyrene Sulfonate products in our product finder.
View all Sodium Polystyrene Sulfonate literature in our resource center.
Find Active Pharmaceutical Ingredient (API) products
View a list of products suitable for pharmaceutical formulations.
API Products 
Explore other pharmaceutical applications
We facilitate pharmaceutical formulations and advanced drug delivery through our offering of Active Pharmaceutical Ingredients (APIs) and excipients.
Learn more
Our ion exchange resin excipients are designed to help solve customer challenges and address some of the most pressing pharmaceutical trends.
Related resources
View by: View all resources ✕ ✕ To access secured content from DuPont Please Sign In or Sign Up below Sign In New User ? Sign Up
See what’s possible
Ask how our advanced technologies can bring quality and efficacy to the pharmaceutical industry.