Analytes - 7-dehydrocholesterol
7-dehydrocholesterol: CAS No. 434-16-2, C27H44O, molecular weight TBD, melting point 150.5°C, density NA gm/mL, vapor pressure 0.00mm Hg at 25°C, flash point none, slightly water soluble is a white crystalline powder. It is a derivative of cholesterol found in the skin that is converted to vitamin D in the presence of ultraviolet light. It is also a cholesterol precursor that is a biochemical marker in blood plasma for the genetic defect Smith-Lemli-Optiz Syndrome. It is most often measured using GC/FID.