Cholecalciferol Impurity A
- CAS NO.：22350-41-0
- Empirical Formula: C27H44O
- Molecular Weight: 384.64
- MDL number: MFCD00078131
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-08-20 20:20:01
What is Cholecalciferol Impurity A?
Chemical properties
White to Off-White Solid
The Uses of Cholecalciferol Impurity A
5,6-trans-Vitamin D3 is the major photoisomer of Vitamin D3 analog, as an impurity.
Definition
ChEBI: 5,6-trans-vitamin D3 is a member of the class of D3 vitamins that is calciol in which the double bond at position 5 adopts a trans-configuration. During exposure to sunlight, previtamin D3 and vitamin D3 in the skin become photoisomerized to 5,6-trans-vitamin D3. It has a role as a human metabolite. It is a member of D3 vitamins, a seco-cholestane, a secondary alcohol and a hydroxy seco-steroid. It is functionally related to a calciol.
Properties of Cholecalciferol Impurity A
| Boiling point: | 496.4±24.0 °C(Predicted) |
| Density | 0.96±0.1 g/cm3(Predicted) |
| solubility | DMF: 25 mg/ml,DMSO: 3 mg/ml,Ethanol: 30 mg/ml |
| pka | 14.74±0.20(Predicted) |
| form | A crystalline solid |
| color | White to light yellow |
| Stability: | Light Sensitive, Temperature Sensitive |
Safety information for Cholecalciferol Impurity A
Computed Descriptors for Cholecalciferol Impurity A
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