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7-dehydrocholesterol cas 434-16-2

Calcium dobesilate cas 20123-80-2

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Assay: 95%min
Appearance:Pale yellow crystalline powder
Packing: 25kg/drum
Sample: Available

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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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Category: Pharmaceutical intermediates

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