Molecular Formula C27H40O3 • H2O, Purity ≥98%, Formula Weight 430.6, Synonyms: 24-cyclopropyl-(1α,3β,5Z,7E,22E,24S)-9,10-secochola-5,7,10(19),22-tetraene-1,3,24-triol, monohydrate, Calcipotriene; A low-calcemic vitamin D receptor agonist; increases keratinocyte differentiation and reduces expression of transcriptional activators in the inflammatory response; induces T-cell differentiation in keratinocytes.