Cholecalciferol EP Impurity B | CAS 434-16-2 - Request Quote

Cholecalciferol EP Impurity B is chemically Cholesta-5,7-dien-3β-ol (as per EP) ; (3S,9S,10R,13R,14R,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol (as per USP). It is also known as 7,8-didehydrocholesterol, provitamin D3 (EP) ; 7-Dehydrocholesterol (USP). Cholecalciferol EP Impurity B is supplied with detailed characterization data compliant with regulatory guideline. Cholecalciferol EP Impurity B can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Cholecalciferol.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. SynZeal products are for analytical purpose only and not for human use.