CAS 259151-72-9: Benzoic acid, 2-hydroxy-5-[(4-hydroxyphenyl)azo]-

Olsalazine sodium impurity C is a metabolite of olsalazine sodium. It is a natural product that can be custom synthesized for research and development purposes. Olsalazine sodium impurity C has been shown to have pharmacopoeia-grade purity and can be used as an analytical standard or an API impurity in drug products. The CAS number for this substance is 259151-72-9.

Impurity Olsalazine sodium impurity C Applications 3-Descarboxy Olsalazine is an impurity of Olsalazine sodium salt (O586000). Olsalazine Sodium Salt is a dimer of Mesalazine (M258100), an anti-inflammatory drug used in the treatment of inflammatory bowel disease and ulcerative colitis. References Willoughby, C.P., Gut, 23. 1081 (1982), Scand, J., et al.: Gastroenterol, 20, 607 (1985), Wadworth, A.N., et al.: Drugs, 41, 647 (1991)