Previtamin D2

Previtamin D2 Suppliers list
Company Name: J & K SCIENTIFIC LTD.  
Tel: 18210857532 18210857532
Email: jkinfo@jkchemical.com
Company Name: Chemsky(shanghai)International Co.,Ltd.  
Tel: 021-50135380
Email: shchemsky@sina.com
Company Name: BOC Sciences  
Tel: 1-631-485-4226; 16314854226
Email: info@bocsci.com
Company Name: Quality Control Solutions Ltd.  
Tel: 0755-66853366 13670046396
Email: orders@qcsrm.com
Company Name: Shanghai Kewel Chemical Co., Ltd.  
Tel: 021-64609169 18901607656
Email: greensnown@163.com
Previtamin D2 Basic information
Product Name:Previtamin D2
Synonyms:(3,6Z,22E)-9,10-Secoergosta-5(10),6,8,22-tetraen-3-ol;(6Z,22E)-9,10-Secoergosta-5(10),6,8,22-tetren-3β-ol;PrevitaMin D2 (90%);Preergocalciferol;Previtamin D2;3-Cyclohexen-1-ol, 3-[(1Z)-2-[(1R,3aR,7aR)-2,3,3a,6,7,7a-hexahydro-7a-methyl-1-[(1R,2E,4R)-1,4,5-trimethyl-2-hexenyl]-1H-inden-4-yl]ethenyl]-4-methyl-, (1S)-;Ergocalciferol Impurity 8;(S)-3-((Z)-2-((1R,3aR,7aR)-1-((2R,5R,E)-5,6-Dimethylhept-3-en-2-yl)-7a-methyl-2,3,3a,6,7,7a-hexahydro-1H-inden-4-yl)vinyl)-4-methylcyclohex-3-en-1-ol
CAS:21307-05-1
MF:C28H44O
MW:396.65
EINECS:
Product Categories:Chiral Reagents;Intermediates & Fine Chemicals;Pharmaceuticals
Mol File:21307-05-1.mol
Previtamin D2 Structure
Previtamin D2 Chemical Properties
Boiling point 503.8±29.0 °C(Predicted)
density 1.020±0.06 g/cm3(Predicted)
storage temp. Amber Vial, -20°C Freezer, Under Inert Atmosphere
solubility Chloroform (Slightly), Ethyl Acetate (Slightly)
pka14.84±0.60(Predicted)
form Oil to Sticky Solid
color Colourless to Pale Yellow
Stability:Light Sensitive, Temperature Sensitive
Safety Information
MSDS Information
Previtamin D2 Usage And Synthesis
Chemical PropertiesPale Yellow Oil
UsesThe main decomposition product of Vitamin D2. Ergosterol photoisomerization product
Previtamin D2 Preparation Products And Raw materials
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