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Nutritional Phytochemical Analytical Laboratory |
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Vitamin D2 Molecular Weight: 396.65 Molecular Formula: C28H44O CAS Name: (3b,5Z,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraen-3-ol CAS number: 50-14-6 |
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Vitamin D |
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Vitamin D3 Molecular Weight: 384.64 Molecular Formula: C27H44O CAS Name: (3b,5Z,7E)-9,10-Secocholesta-5,7,10(19)-trien-3-ol CAS number: 67-97-0 |
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Vitamin D2 - Structural Formula |
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Vitamin D3 - Structural Formula |
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In vitamin D family, the major forms of vitamin D are vitamin D2 or ergocalciferol and vitamin D3 or cholecalciferol, it is fat soluble vitamin. |