7-Dehydrocholesterol
Inquiry
| 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: | 
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| Safety Description: | S24/25:; |
| Company: | Henan Liwei Biological Pharmaceutical Co.,Ltd [ China ] |
| Contact: | Xue Wenyue |
| Tel: | +86-391-6111988 |
| Fax: | +86-391-6161558 |
| Email: | 18639111888@163.com |
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