7-dehydrocholesterol cas 434-16-2
14
People watching this product now!
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.
