| Company Name: |
J & K SCIENTIFIC LTD.
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| Tel: |
010-82848833 400-666-7788 |
| Email: |
jkinfo@jkchemical.com |
| Products Intro: |
Product Name:5,6-trans-VitaMin D2
CAS:51744-66-2
Package:2.5Mg,25Mg
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| Company Name: |
Chemsky（shanghai）International Co.,Ltd.
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| Tel: |
021-50135380 |
| Email: |
shchemsky@sina.com |
| Products Intro: |
Product Name:5,6-trans-VitaMin D2
CAS:51744-66-2
Purity:98% Package:1950RMB/2.5Mg; 12000RMB/25Mg
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| Company Name: |
BOC Sciences
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| Tel: |
1-631-485-4226; 16314854226 |
| Email: |
info@bocsci.com |
| Products Intro: |
Product Name:5,6-trans-Vitamin D2
CAS:51744-66-2
Remarks:5,6-trans-Vitamin D2 is an isomer of vitamin D2. Vitamin D2 is commonly used for the prevention and
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| | 5,6-trans-Ergocalciferol Basic information |
| Product Name: | 5,6-trans-Ergocalciferol | | Synonyms: | (3β,5E,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraen-3-ol;5,6-trans-Ergocalciferol;5,6-trans-VitaMin D2;Ergocalciferol EP Impurity A;Ergocalciferol Impurity 1（Ergocalciferol EP Impurity A）;9,10-Secoergosta-5,7,10(19),22-tetraen-3-ol, (3β,5E,7E,22E)- (9CI);Ergocalciferol (Vitamin D2) EP Impurity A (5,6-trans-Vitamin D2);(S,E)-3-((E)-2-((1R,3aS,7aR)-1-((2R,5R,E)-5,6-dimethylhept-3-en-2-yl)-7a-methylhexahydro-1H-inden-4(2H)-ylidene)ethylidene)-4-methylenecyclohexanol | | CAS: | 51744-66-2 | | MF: | C28H44O | | MW: | 396.65 | | EINECS: | | | Product Categories: | Intermediates & Fine Chemicals;Metabolites & Impurities;Pharmaceuticals | | Mol File: | 51744-66-2.mol |  |
| | 5,6-trans-Ergocalciferol Chemical Properties |
| Melting point | 98.5-101 °C(Solv: ethyl ether (60-29-7); ligroine (8032-32-4)) | | Boiling point | 504.2±29.0 °C(Predicted) | | density | 0.97±0.1 g/cm3(Predicted) | | storage temp. | Store at -20°C, protect from light, stored under nitrogen | | solubility | Acetone (Slightly), Chloroform (Slightly), Dichloromethane (Slightly), Methanol | | form | Solid | | pka | 14.74±0.20(Predicted) | | color | White to Pale Yellow | | Stability: | Light Sensitive, Temperature Sensitive |
| | 5,6-trans-Ergocalciferol Usage And Synthesis |
| Uses | 5,6-trans-Vitamin D2 is an isomer as well as one of the main decomposition products of Vitamin D2 (V676040). | | Definition | ChEBI: 5,6-trans-Vitamin D2 is a vitamin D. |
| | 5,6-trans-Ergocalciferol Preparation Products And Raw materials |
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