Description
7-Dehydrocholesterol Details
Chemical Name: 7-Dehydrocholesterol
CAS No.:434-16-2
Molecular Formula:C27H44O
Molecular Weight:384.64
MolecularStructure:
Appearance:Pale yellow crystalline powder
7-Dehydrocholesterol Typical Properties
Item tested
Specification
Results
Appearance
Pale yellow crystalline powder
complies
Melting point
145-151??
147.2-148.1??
Specific rotation
-108??~-120??
-113??
Loss on drying
<0.5%
0.25%
Residue on ignition
<0.1%
0.05%
Heavy metals
<20ppm
complies
Assay
??95%
95.07%
7-DehydrocholesterolUsage
Intermediate of vitamin D3.
7-Dehydrocholesterol Packaging and Shipping
Packing: 25kg/drum
7-Dehydrocholesterol Storage
Keep in dry place, store in tight closed container.
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