Patent ID: 11926583
Assignee: EIRGEN PHARMA LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 0:
1. A stabilized, crystalline 1,25-dihydroxyvitamin D2 composition, characterized by:
(a) being free of formate ester solvents;
(b) comprising no more than 0.5% by weight of total residual solvents; and, (c) wherein an initial purity of the composition is in a range of 98-100% as manufactured and a second purity is in a range of 98-100% after the composition is stored at 60° C. for a period of 24 hours, and wherein both the initial and the second purities are based on total area under the curve (“AUC”) by a high performance liquid chromatography (“HPLC”) assay.