7-Dehydrocholesterol

Post Date:
Aug 16,2015
Expiry Date:
Aug 15,2016
Detailed Description:
Cas No. :434-16-2 Quantity: 10000Kilograms
Specs:25kg/carton
Payment Method: T/T,L/C
7-Dehydrocholesterol is a pharmaceutical intermediates Synthesised by cholesterol. The production process is developed by our company, and reaches advanced level in China.
Properties:white or pale white powder; odourless and tasteless; not dissolve in water.
Melting Point: 140°C—142°C
Specific Rotation: -108°～-120°
Loss on Drying: 7.0％ max.
Assay:not less then 90.0％
Application: It is an important intermediate for synthesising vitamin D3;the additive of cosmetic; regent of other laboratories.
Packing:Net weight:25kg/drum gross weight: 25kg/drum, vacuum-packed in aluminum bags lined with food grade polyethene bags, hard paper plate can. We can also supply packing as per client requirement.
Storage:Stored in a dry, cool dark place. Should be avoided with toxic, harmful, contaminated items while storage. In compliance with the above conditions, the shelf life are 36 months.
CAS Registry Number:
434-16-2
Synonyms:
;Provitamine;7,8-didehydrocholesterol;cholesta-5,7-dien-3-beta-ol;Provitamin D3;cholesta-5,7-dien-3-ol;(3beta)-cholesta-5,7-dien-3-ol;
Molecular Formula:
C₂₇H₄₄O
Molecular Weight:
384.6377
Molecular Structure:
Safety Description:
S24/25:;

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