Overview Reviews Product Description Vitamin D2 Product Videos Custom Field Size 5g Alternative Names Ergocalciferol;Calciferol;Ercalciol CAS N° 50-14-6 Molecular weight 396.65 Formula C28H44O Solubility H2O : < 0.1 mg/mL (insoluble); DMSO : 31.25 mg/mL (78.78 mM; Need ultrasonic) Target VD/VDR;Endogenous Metabolite Note This product is available in other size, please contact us for more information Product Reviews Write a Review Write a Review × Vitamin D2 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *