VitaMin D4
Synonym(s):Cholecalciferol;Calciol;Vitamin D4;(+)-Vitamin D3;(3β,5Z,7E)-9,10-Secoergosta-5,7,10(19)-trien-3-ol
- CAS NO.：511-28-4
- Empirical Formula: C28H46O
- Molecular Weight: 398.66
- MDL number: MFCD18781880
- EINECS: 208-127-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-06-08 09:02:51
What is VitaMin D4?
Description
Derived from cholesterol, vitamin D is biosynthesized from its prohormone cholecalciferol (D3), the product of solar ultraviolet irradiation of 7-dehydrocholesterol in the skin. In 1966, it was first recognized that vitamin D must undergo activation via two oxidative metabolic steps. The first oxidation to 25-hydroxycholecalciferol (25(OH)D3: calcifediol; Calderol) occurs in the endoplasmic reticulum of the liver and is catalyzed by vitamin D 25-hydroxylase. This activation step is not regulated by plasma calcium concentrations. The major circulating form (10–80 μg/mL) is 25(OH)D3, which also is the primary storage form of vitamin D.
The Uses of VitaMin D4
Vitamin D4 is the active analogue of Vitamin D.
Properties of VitaMin D4
| Melting point: | 83-86 °C(lit.) |
| Boiling point: | 504.9±29.0 °C(Predicted) |
| Density | 0.96 |
| storage temp. | 2-8°C |
| solubility | Soluble in Chloroform |
| form | Powder |
Safety information for VitaMin D4
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08 |
| GHS Hazard Statements |
H330:Acute toxicity,inhalation H372:Specific target organ toxicity, repeated exposure |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. |
Computed Descriptors for VitaMin D4
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